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Finding the Fourth Proportional to 60,517.80, 83,516.40 and 33,663.60

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Solution

The fourth proportional to 60,517.80, 83,516.40 and 33,663.60 is: 46,456.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,517.80 : 83,516.40 = 33,663.60 : x
  2. Step 2: Convert to fraction form
    60,517.80/83,516.40 = 33,663.60/x
  3. Step 3: Cross multiply
    60,517.80x = 83,516.40 × 33,663.60
  4. Step 4: Simplify right side
    60,517.80x = 2,811,462,683.04
  5. Step 5: Solve for x
    x = 2,811,462,683.04/60,517.80
  6. Step 6: Final answer
    x = 46,456.79

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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.