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Finding the Fourth Proportional to 60,380.64, 83,345.76 and 35,251.20

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Solution

The fourth proportional to 60,380.64, 83,345.76 and 35,251.20 is: 48,658.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,380.64 : 83,345.76 = 35,251.20 : x
  2. Step 2: Convert to fraction form
    60,380.64/83,345.76 = 35,251.20/x
  3. Step 3: Cross multiply
    60,380.64x = 83,345.76 × 35,251.20
  4. Step 4: Simplify right side
    60,380.64x = 2,938,038,054.91
  5. Step 5: Solve for x
    x = 2,938,038,054.91/60,380.64
  6. Step 6: Final answer
    x = 48,658.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.