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Finding the Fourth Proportional to 100,447.61, 150,672.30 and 25,567.83

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Solution

The fourth proportional to 100,447.61, 150,672.30 and 25,567.83 is: 38,351.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,447.61 : 150,672.30 = 25,567.83 : x
  2. Step 2: Convert to fraction form
    100,447.61/150,672.30 = 25,567.83/x
  3. Step 3: Cross multiply
    100,447.61x = 150,672.30 × 25,567.83
  4. Step 4: Simplify right side
    100,447.61x = 3,852,363,752.11
  5. Step 5: Solve for x
    x = 3,852,363,752.11/100,447.61
  6. Step 6: Final answer
    x = 38,351.97

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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.