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Finding the Fourth Proportional to 71,671.64, 107,510.19 and 36,570.29

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Solution

The fourth proportional to 71,671.64, 107,510.19 and 36,570.29 is: 54,856.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,671.64 : 107,510.19 = 36,570.29 : x
  2. Step 2: Convert to fraction form
    71,671.64/107,510.19 = 36,570.29/x
  3. Step 3: Cross multiply
    71,671.64x = 107,510.19 × 36,570.29
  4. Step 4: Simplify right side
    71,671.64x = 3,931,678,151.57
  5. Step 5: Solve for x
    x = 3,931,678,151.57/71,671.64
  6. Step 6: Final answer
    x = 54,856.82

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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.