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Finding the Fourth Proportional to 40,750.80, 61,126.20 and 35,566.80

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Solution

The fourth proportional to 40,750.80, 61,126.20 and 35,566.80 is: 53,350.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,750.80 : 61,126.20 = 35,566.80 : x
  2. Step 2: Convert to fraction form
    40,750.80/61,126.20 = 35,566.80/x
  3. Step 3: Cross multiply
    40,750.80x = 61,126.20 × 35,566.80
  4. Step 4: Simplify right side
    40,750.80x = 2,174,063,330.16
  5. Step 5: Solve for x
    x = 2,174,063,330.16/40,750.80
  6. Step 6: Final answer
    x = 53,350.20

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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.