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Finding the Fourth Proportional to 60,543.80, 83,542.91 and 33,684.40

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Solution

The fourth proportional to 60,543.80, 83,542.91 and 33,684.40 is: 46,480.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,543.80 : 83,542.91 = 33,684.40 : x
  2. Step 2: Convert to fraction form
    60,543.80/83,542.91 = 33,684.40/x
  3. Step 3: Cross multiply
    60,543.80x = 83,542.91 × 33,684.40
  4. Step 4: Simplify right side
    60,543.80x = 2,814,092,672.96
  5. Step 5: Solve for x
    x = 2,814,092,672.96/60,543.80
  6. Step 6: Final answer
    x = 46,480.28

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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.