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Finding the Fourth Proportional to 34,439.48, 51,659.51 and 9,480.92

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Solution

The fourth proportional to 34,439.48, 51,659.51 and 9,480.92 is: 14,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,439.48 : 51,659.51 = 9,480.92 : x
  2. Step 2: Convert to fraction form
    34,439.48/51,659.51 = 9,480.92/x
  3. Step 3: Cross multiply
    34,439.48x = 51,659.51 × 9,480.92
  4. Step 4: Simplify right side
    34,439.48x = 489,779,375.85
  5. Step 5: Solve for x
    x = 489,779,375.85/34,439.48
  6. Step 6: Final answer
    x = 14,221.45

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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.