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Finding the Fourth Proportional to 100,432.86, 150,648.60 and 25,552.32

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Solution

The fourth proportional to 100,432.86, 150,648.60 and 25,552.32 is: 38,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,432.86 : 150,648.60 = 25,552.32 : x
  2. Step 2: Convert to fraction form
    100,432.86/150,648.60 = 25,552.32/x
  3. Step 3: Cross multiply
    100,432.86x = 150,648.60 × 25,552.32
  4. Step 4: Simplify right side
    100,432.86x = 3,849,421,234.75
  5. Step 5: Solve for x
    x = 3,849,421,234.75/100,432.86
  6. Step 6: Final answer
    x = 38,328.30

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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.