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Finding the Fourth Proportional to 25,658.92, 38,484.60 and 9,017.74

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Solution

The fourth proportional to 25,658.92, 38,484.60 and 9,017.74 is: 13,525.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,658.92 : 38,484.60 = 9,017.74 : x
  2. Step 2: Convert to fraction form
    25,658.92/38,484.60 = 9,017.74/x
  3. Step 3: Cross multiply
    25,658.92x = 38,484.60 × 9,017.74
  4. Step 4: Simplify right side
    25,658.92x = 347,044,116.80
  5. Step 5: Solve for x
    x = 347,044,116.80/25,658.92
  6. Step 6: Final answer
    x = 13,525.28

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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.