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Finding the Fourth Proportional to 25,644.70, 38,467.05 and 9,007.30

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Solution

The fourth proportional to 25,644.70, 38,467.05 and 9,007.30 is: 13,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,644.70 : 38,467.05 = 9,007.30 : x
  2. Step 2: Convert to fraction form
    25,644.70/38,467.05 = 9,007.30/x
  3. Step 3: Cross multiply
    25,644.70x = 38,467.05 × 9,007.30
  4. Step 4: Simplify right side
    25,644.70x = 346,484,259.47
  5. Step 5: Solve for x
    x = 346,484,259.47/25,644.70
  6. Step 6: Final answer
    x = 13,510.95

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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.