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Finding the Fourth Proportional to 15,762.52, 23,648.10 and 5,372.92

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Solution

The fourth proportional to 15,762.52, 23,648.10 and 5,372.92 is: 8,060.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762.52 : 23,648.10 = 5,372.92 : x
  2. Step 2: Convert to fraction form
    15,762.52/23,648.10 = 5,372.92/x
  3. Step 3: Cross multiply
    15,762.52x = 23,648.10 × 5,372.92
  4. Step 4: Simplify right side
    15,762.52x = 127,059,349.45
  5. Step 5: Solve for x
    x = 127,059,349.45/15,762.52
  6. Step 6: Final answer
    x = 8,060.85

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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.