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Finding the Fourth Proportional to 57,333.71, 85,901.54 and 31,056.90

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Solution

The fourth proportional to 57,333.71, 85,901.54 and 31,056.90 is: 46,531.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,333.71 : 85,901.54 = 31,056.90 : x
  2. Step 2: Convert to fraction form
    57,333.71/85,901.54 = 31,056.90/x
  3. Step 3: Cross multiply
    57,333.71x = 85,901.54 × 31,056.90
  4. Step 4: Simplify right side
    57,333.71x = 2,667,835,382.34
  5. Step 5: Solve for x
    x = 2,667,835,382.34/57,333.71
  6. Step 6: Final answer
    x = 46,531.71

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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.