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Finding the Fourth Proportional to 60,675.40, 83,721.90 and 33,812.02

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Solution

The fourth proportional to 60,675.40, 83,721.90 and 33,812.02 is: 46,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,675.40 : 83,721.90 = 33,812.02 : x
  2. Step 2: Convert to fraction form
    60,675.40/83,721.90 = 33,812.02/x
  3. Step 3: Cross multiply
    60,675.40x = 83,721.90 × 33,812.02
  4. Step 4: Simplify right side
    60,675.40x = 2,830,806,557.24
  5. Step 5: Solve for x
    x = 2,830,806,557.24/60,675.40
  6. Step 6: Final answer
    x = 46,654.93

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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.