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Finding the Fourth Proportional to 60,577.20, 90,880.20 and 25,498.80

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Solution

The fourth proportional to 60,577.20, 90,880.20 and 25,498.80 is: 38,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,577.20 : 90,880.20 = 25,498.80 : x
  2. Step 2: Convert to fraction form
    60,577.20/90,880.20 = 25,498.80/x
  3. Step 3: Cross multiply
    60,577.20x = 90,880.20 × 25,498.80
  4. Step 4: Simplify right side
    60,577.20x = 2,317,336,043.76
  5. Step 5: Solve for x
    x = 2,317,336,043.76/60,577.20
  6. Step 6: Final answer
    x = 38,254.26

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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.