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Finding the Fourth Proportional to 58,065.68, 87,098.56 and 38,339.60

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Solution

The fourth proportional to 58,065.68, 87,098.56 and 38,339.60 is: 57,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,065.68 : 87,098.56 = 38,339.60 : x
  2. Step 2: Convert to fraction form
    58,065.68/87,098.56 = 38,339.60/x
  3. Step 3: Cross multiply
    58,065.68x = 87,098.56 × 38,339.60
  4. Step 4: Simplify right side
    58,065.68x = 3,339,323,950.98
  5. Step 5: Solve for x
    x = 3,339,323,950.98/58,065.68
  6. Step 6: Final answer
    x = 57,509.43

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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.