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Finding the Fourth Proportional to 24,153.76, 33,333.42 and 13,542.76

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Solution

The fourth proportional to 24,153.76, 33,333.42 and 13,542.76 is: 18,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,153.76 : 33,333.42 = 13,542.76 : x
  2. Step 2: Convert to fraction form
    24,153.76/33,333.42 = 13,542.76/x
  3. Step 3: Cross multiply
    24,153.76x = 33,333.42 × 13,542.76
  4. Step 4: Simplify right side
    24,153.76x = 451,426,507.04
  5. Step 5: Solve for x
    x = 451,426,507.04/24,153.76
  6. Step 6: Final answer
    x = 18,689.70

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Half scale
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Double scale
Find fourth proportional to 24,154.76, 33,334.80 and 13,543.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.