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Finding the Fourth Proportional to 60,530.40, 83,531.70 and 33,675.48

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Solution

The fourth proportional to 60,530.40, 83,531.70 and 33,675.48 is: 46,472.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,530.40 : 83,531.70 = 33,675.48 : x
  2. Step 2: Convert to fraction form
    60,530.40/83,531.70 = 33,675.48/x
  3. Step 3: Cross multiply
    60,530.40x = 83,531.70 × 33,675.48
  4. Step 4: Simplify right side
    60,530.40x = 2,812,970,092.72
  5. Step 5: Solve for x
    x = 2,812,970,092.72/60,530.40
  6. Step 6: Final answer
    x = 46,472.02

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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.