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Finding the Fourth Proportional to 60,487.85, 83,464.10 and 34,642.38

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Solution

The fourth proportional to 60,487.85, 83,464.10 and 34,642.38 is: 47,801.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,487.85 : 83,464.10 = 34,642.38 : x
  2. Step 2: Convert to fraction form
    60,487.85/83,464.10 = 34,642.38/x
  3. Step 3: Cross multiply
    60,487.85x = 83,464.10 × 34,642.38
  4. Step 4: Simplify right side
    60,487.85x = 2,891,395,338.25
  5. Step 5: Solve for x
    x = 2,891,395,338.25/60,487.85
  6. Step 6: Final answer
    x = 47,801.26

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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.