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Finding the Fourth Proportional to 17,816.76, 24,587.13 and 9,859.01

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Solution

The fourth proportional to 17,816.76, 24,587.13 and 9,859.01 is: 13,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,816.76 : 24,587.13 = 9,859.01 : x
  2. Step 2: Convert to fraction form
    17,816.76/24,587.13 = 9,859.01/x
  3. Step 3: Cross multiply
    17,816.76x = 24,587.13 × 9,859.01
  4. Step 4: Simplify right side
    17,816.76x = 242,404,711.25
  5. Step 5: Solve for x
    x = 242,404,711.25/17,816.76
  6. Step 6: Final answer
    x = 13,605.44

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Half scale
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Double scale
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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.