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Finding the Fourth Proportional to 80,291.58, 120,436.29 and 24,887.58

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Solution

The fourth proportional to 80,291.58, 120,436.29 and 24,887.58 is: 37,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,291.58 : 120,436.29 = 24,887.58 : x
  2. Step 2: Convert to fraction form
    80,291.58/120,436.29 = 24,887.58/x
  3. Step 3: Cross multiply
    80,291.58x = 120,436.29 × 24,887.58
  4. Step 4: Simplify right side
    80,291.58x = 2,997,367,802.28
  5. Step 5: Solve for x
    x = 2,997,367,802.28/80,291.58
  6. Step 6: Final answer
    x = 37,331.04

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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.