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Finding the Fourth Proportional to 58,049.80, 87,074.64 and 38,323.72

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Solution

The fourth proportional to 58,049.80, 87,074.64 and 38,323.72 is: 57,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,049.80 : 87,074.64 = 38,323.72 : x
  2. Step 2: Convert to fraction form
    58,049.80/87,074.64 = 38,323.72/x
  3. Step 3: Cross multiply
    58,049.80x = 87,074.64 × 38,323.72
  4. Step 4: Simplify right side
    58,049.80x = 3,337,024,122.46
  5. Step 5: Solve for x
    x = 3,337,024,122.46/58,049.80
  6. Step 6: Final answer
    x = 57,485.54

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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.