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Finding the Fourth Proportional to 15,332.08, 22,981.71 and 7,929.08

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Solution

The fourth proportional to 15,332.08, 22,981.71 and 7,929.08 is: 11,885.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332.08 : 22,981.71 = 7,929.08 : x
  2. Step 2: Convert to fraction form
    15,332.08/22,981.71 = 7,929.08/x
  3. Step 3: Cross multiply
    15,332.08x = 22,981.71 × 7,929.08
  4. Step 4: Simplify right side
    15,332.08x = 182,223,874.58
  5. Step 5: Solve for x
    x = 182,223,874.58/15,332.08
  6. Step 6: Final answer
    x = 11,885.14

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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.