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Finding the Fourth Proportional to 44,689.86, 66,932.67 and 21,332.70

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Solution

The fourth proportional to 44,689.86, 66,932.67 and 21,332.70 is: 31,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,689.86 : 66,932.67 = 21,332.70 : x
  2. Step 2: Convert to fraction form
    44,689.86/66,932.67 = 21,332.70/x
  3. Step 3: Cross multiply
    44,689.86x = 66,932.67 × 21,332.70
  4. Step 4: Simplify right side
    44,689.86x = 1,427,854,569.31
  5. Step 5: Solve for x
    x = 1,427,854,569.31/44,689.86
  6. Step 6: Final answer
    x = 31,950.30

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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.