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Finding the Fourth Proportional to 57,780.30, 86,658.30 and 24,501.45

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Solution

The fourth proportional to 57,780.30, 86,658.30 and 24,501.45 is: 36,747.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,780.30 : 86,658.30 = 24,501.45 : x
  2. Step 2: Convert to fraction form
    57,780.30/86,658.30 = 24,501.45/x
  3. Step 3: Cross multiply
    57,780.30x = 86,658.30 × 24,501.45
  4. Step 4: Simplify right side
    57,780.30x = 2,123,254,004.54
  5. Step 5: Solve for x
    x = 2,123,254,004.54/57,780.30
  6. Step 6: Final answer
    x = 36,747.02

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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.