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Finding the Fourth Proportional to 60,349.80, 90,540.90 and 53,821.20

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Solution

The fourth proportional to 60,349.80, 90,540.90 and 53,821.20 is: 80,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,349.80 : 90,540.90 = 53,821.20 : x
  2. Step 2: Convert to fraction form
    60,349.80/90,540.90 = 53,821.20/x
  3. Step 3: Cross multiply
    60,349.80x = 90,540.90 × 53,821.20
  4. Step 4: Simplify right side
    60,349.80x = 4,873,019,887.08
  5. Step 5: Solve for x
    x = 4,873,019,887.08/60,349.80
  6. Step 6: Final answer
    x = 80,746.25

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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.