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Finding the Fourth Proportional to 74,689.77, 112,052.17 and 29,713.68

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Solution

The fourth proportional to 74,689.77, 112,052.17 and 29,713.68 is: 44,577.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,689.77 : 112,052.17 = 29,713.68 : x
  2. Step 2: Convert to fraction form
    74,689.77/112,052.17 = 29,713.68/x
  3. Step 3: Cross multiply
    74,689.77x = 112,052.17 × 29,713.68
  4. Step 4: Simplify right side
    74,689.77x = 3,329,482,322.69
  5. Step 5: Solve for x
    x = 3,329,482,322.69/74,689.77
  6. Step 6: Final answer
    x = 44,577.49

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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.