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Finding the Fourth Proportional to 7,429.52, 10,250.87 and 4,780.41

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Solution

The fourth proportional to 7,429.52, 10,250.87 and 4,780.41 is: 6,595.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.52 : 10,250.87 = 4,780.41 : x
  2. Step 2: Convert to fraction form
    7,429.52/10,250.87 = 4,780.41/x
  3. Step 3: Cross multiply
    7,429.52x = 10,250.87 × 4,780.41
  4. Step 4: Simplify right side
    7,429.52x = 49,003,337.55
  5. Step 5: Solve for x
    x = 49,003,337.55/7,429.52
  6. Step 6: Final answer
    x = 6,595.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.