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Finding the Fourth Proportional to 87,000.48, 130,472.64 and 24,654.24

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Solution

The fourth proportional to 87,000.48, 130,472.64 and 24,654.24 is: 36,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,000.48 : 130,472.64 = 24,654.24 : x
  2. Step 2: Convert to fraction form
    87,000.48/130,472.64 = 24,654.24/x
  3. Step 3: Cross multiply
    87,000.48x = 130,472.64 × 24,654.24
  4. Step 4: Simplify right side
    87,000.48x = 3,216,703,779.99
  5. Step 5: Solve for x
    x = 3,216,703,779.99/87,000.48
  6. Step 6: Final answer
    x = 36,973.40

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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.