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Finding the Fourth Proportional to 57,657.88, 79,567.98 and 32,507.32

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Solution

The fourth proportional to 57,657.88, 79,567.98 and 32,507.32 is: 44,860.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,657.88 : 79,567.98 = 32,507.32 : x
  2. Step 2: Convert to fraction form
    57,657.88/79,567.98 = 32,507.32/x
  3. Step 3: Cross multiply
    57,657.88x = 79,567.98 × 32,507.32
  4. Step 4: Simplify right side
    57,657.88x = 2,586,541,787.61
  5. Step 5: Solve for x
    x = 2,586,541,787.61/57,657.88
  6. Step 6: Final answer
    x = 44,860.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.