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Finding the Fourth Proportional to 4,658.52, 6,987.78 and 1,373.94

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Solution

The fourth proportional to 4,658.52, 6,987.78 and 1,373.94 is: 2,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.52 : 6,987.78 = 1,373.94 : x
  2. Step 2: Convert to fraction form
    4,658.52/6,987.78 = 1,373.94/x
  3. Step 3: Cross multiply
    4,658.52x = 6,987.78 × 1,373.94
  4. Step 4: Simplify right side
    4,658.52x = 9,600,790.45
  5. Step 5: Solve for x
    x = 9,600,790.45/4,658.52
  6. Step 6: Final answer
    x = 2,060.91

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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.