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Finding the Fourth Proportional to 57,545.52, 79,427.72 and 51,566.96

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Solution

The fourth proportional to 57,545.52, 79,427.72 and 51,566.96 is: 71,175.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,545.52 : 79,427.72 = 51,566.96 : x
  2. Step 2: Convert to fraction form
    57,545.52/79,427.72 = 51,566.96/x
  3. Step 3: Cross multiply
    57,545.52x = 79,427.72 × 51,566.96
  4. Step 4: Simplify right side
    57,545.52x = 4,095,846,060.13
  5. Step 5: Solve for x
    x = 4,095,846,060.13/57,545.52
  6. Step 6: Final answer
    x = 71,175.76

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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.