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Finding the Fourth Proportional to 70,851.04, 97,773.24 and 39,022.90

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Solution

The fourth proportional to 70,851.04, 97,773.24 and 39,022.90 is: 53,850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,851.04 : 97,773.24 = 39,022.90 : x
  2. Step 2: Convert to fraction form
    70,851.04/97,773.24 = 39,022.90/x
  3. Step 3: Cross multiply
    70,851.04x = 97,773.24 × 39,022.90
  4. Step 4: Simplify right side
    70,851.04x = 3,815,395,367.20
  5. Step 5: Solve for x
    x = 3,815,395,367.20/70,851.04
  6. Step 6: Final answer
    x = 53,850.94

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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.