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Finding the Fourth Proportional to 62,132.88, 85,743 and 33,838.32

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Solution

The fourth proportional to 62,132.88, 85,743 and 33,838.32 is: 46,696.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,132.88 : 85,743 = 33,838.32 : x
  2. Step 2: Convert to fraction form
    62,132.88/85,743 = 33,838.32/x
  3. Step 3: Cross multiply
    62,132.88x = 85,743 × 33,838.32
  4. Step 4: Simplify right side
    62,132.88x = 2,901,399,071.76
  5. Step 5: Solve for x
    x = 2,901,399,071.76/62,132.88
  6. Step 6: Final answer
    x = 46,696.68

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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.