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Finding the Fourth Proportional to 18,001.29, 24,841.20 and 9,824.58

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Solution

The fourth proportional to 18,001.29, 24,841.20 and 9,824.58 is: 13,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.29 : 24,841.20 = 9,824.58 : x
  2. Step 2: Convert to fraction form
    18,001.29/24,841.20 = 9,824.58/x
  3. Step 3: Cross multiply
    18,001.29x = 24,841.20 × 9,824.58
  4. Step 4: Simplify right side
    18,001.29x = 244,054,356.70
  5. Step 5: Solve for x
    x = 244,054,356.70/18,001.29
  6. Step 6: Final answer
    x = 13,557.60

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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.