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Finding the Fourth Proportional to 89,644.88, 134,468.08 and 25,602.86

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Solution

The fourth proportional to 89,644.88, 134,468.08 and 25,602.86 is: 38,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,644.88 : 134,468.08 = 25,602.86 : x
  2. Step 2: Convert to fraction form
    89,644.88/134,468.08 = 25,602.86/x
  3. Step 3: Cross multiply
    89,644.88x = 134,468.08 × 25,602.86
  4. Step 4: Simplify right side
    89,644.88x = 3,442,767,426.71
  5. Step 5: Solve for x
    x = 3,442,767,426.71/89,644.88
  6. Step 6: Final answer
    x = 38,404.51

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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.