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Finding the Fourth Proportional to 57,671.94, 86,432.55 and 29,568.18

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Solution

The fourth proportional to 57,671.94, 86,432.55 and 29,568.18 is: 44,313.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,671.94 : 86,432.55 = 29,568.18 : x
  2. Step 2: Convert to fraction form
    57,671.94/86,432.55 = 29,568.18/x
  3. Step 3: Cross multiply
    57,671.94x = 86,432.55 × 29,568.18
  4. Step 4: Simplify right side
    57,671.94x = 2,555,653,196.26
  5. Step 5: Solve for x
    x = 2,555,653,196.26/57,671.94
  6. Step 6: Final answer
    x = 44,313.63

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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.