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Finding the Fourth Proportional to 14,565.17, 21,869.64 and 8,332.22

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Solution

The fourth proportional to 14,565.17, 21,869.64 and 8,332.22 is: 12,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,565.17 : 21,869.64 = 8,332.22 : x
  2. Step 2: Convert to fraction form
    14,565.17/21,869.64 = 8,332.22/x
  3. Step 3: Cross multiply
    14,565.17x = 21,869.64 × 8,332.22
  4. Step 4: Simplify right side
    14,565.17x = 182,222,706.47
  5. Step 5: Solve for x
    x = 182,222,706.47/14,565.17
  6. Step 6: Final answer
    x = 12,510.85

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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.