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Finding the Fourth Proportional to 75,480.30, 113,220.45 and 22,892.40

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Solution

The fourth proportional to 75,480.30, 113,220.45 and 22,892.40 is: 34,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,480.30 : 113,220.45 = 22,892.40 : x
  2. Step 2: Convert to fraction form
    75,480.30/113,220.45 = 22,892.40/x
  3. Step 3: Cross multiply
    75,480.30x = 113,220.45 × 22,892.40
  4. Step 4: Simplify right side
    75,480.30x = 2,591,887,829.58
  5. Step 5: Solve for x
    x = 2,591,887,829.58/75,480.30
  6. Step 6: Final answer
    x = 34,338.60

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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.