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Finding the Fourth Proportional to 8,437.41, 12,652.20 and 4,928.46

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Solution

The fourth proportional to 8,437.41, 12,652.20 and 4,928.46 is: 7,390.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.41 : 12,652.20 = 4,928.46 : x
  2. Step 2: Convert to fraction form
    8,437.41/12,652.20 = 4,928.46/x
  3. Step 3: Cross multiply
    8,437.41x = 12,652.20 × 4,928.46
  4. Step 4: Simplify right side
    8,437.41x = 62,355,861.61
  5. Step 5: Solve for x
    x = 62,355,861.61/8,437.41
  6. Step 6: Final answer
    x = 7,390.40

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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.