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Finding the Fourth Proportional to 22,073.76, 33,116.40 and 13,364.64

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Solution

The fourth proportional to 22,073.76, 33,116.40 and 13,364.64 is: 20,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,073.76 : 33,116.40 = 13,364.64 : x
  2. Step 2: Convert to fraction form
    22,073.76/33,116.40 = 13,364.64/x
  3. Step 3: Cross multiply
    22,073.76x = 33,116.40 × 13,364.64
  4. Step 4: Simplify right side
    22,073.76x = 442,588,764.10
  5. Step 5: Solve for x
    x = 442,588,764.10/22,073.76
  6. Step 6: Final answer
    x = 20,050.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.