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Finding the Fourth Proportional to 58,287.80, 87,497.40 and 38,604.80

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Solution

The fourth proportional to 58,287.80, 87,497.40 and 38,604.80 is: 57,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,287.80 : 87,497.40 = 38,604.80 : x
  2. Step 2: Convert to fraction form
    58,287.80/87,497.40 = 38,604.80/x
  3. Step 3: Cross multiply
    58,287.80x = 87,497.40 × 38,604.80
  4. Step 4: Simplify right side
    58,287.80x = 3,377,819,627.52
  5. Step 5: Solve for x
    x = 3,377,819,627.52/58,287.80
  6. Step 6: Final answer
    x = 57,950.71

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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.