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Finding the Fourth Proportional to 58,603.77, 87,701.49 and 47,950.65

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Solution

The fourth proportional to 58,603.77, 87,701.49 and 47,950.65 is: 71,758.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,603.77 : 87,701.49 = 47,950.65 : x
  2. Step 2: Convert to fraction form
    58,603.77/87,701.49 = 47,950.65/x
  3. Step 3: Cross multiply
    58,603.77x = 87,701.49 × 47,950.65
  4. Step 4: Simplify right side
    58,603.77x = 4,205,343,451.47
  5. Step 5: Solve for x
    x = 4,205,343,451.47/58,603.77
  6. Step 6: Final answer
    x = 71,758.92

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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.