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Finding the Fourth Proportional to 11,924.71, 16,454.71 and 6,618.17

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Solution

The fourth proportional to 11,924.71, 16,454.71 and 6,618.17 is: 9,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.71 : 16,454.71 = 6,618.17 : x
  2. Step 2: Convert to fraction form
    11,924.71/16,454.71 = 6,618.17/x
  3. Step 3: Cross multiply
    11,924.71x = 16,454.71 × 6,618.17
  4. Step 4: Simplify right side
    11,924.71x = 108,900,068.08
  5. Step 5: Solve for x
    x = 108,900,068.08/11,924.71
  6. Step 6: Final answer
    x = 9,132.30

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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.