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Finding the Fourth Proportional to 11,332.32, 16,981.16 and 4,754.92

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Solution

The fourth proportional to 11,332.32, 16,981.16 and 4,754.92 is: 7,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,332.32 : 16,981.16 = 4,754.92 : x
  2. Step 2: Convert to fraction form
    11,332.32/16,981.16 = 4,754.92/x
  3. Step 3: Cross multiply
    11,332.32x = 16,981.16 × 4,754.92
  4. Step 4: Simplify right side
    11,332.32x = 80,744,057.31
  5. Step 5: Solve for x
    x = 80,744,057.31/11,332.32
  6. Step 6: Final answer
    x = 7,125.11

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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.