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Finding the Fourth Proportional to 62,642.88, 86,447.52 and 33,962.76

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Solution

The fourth proportional to 62,642.88, 86,447.52 and 33,962.76 is: 46,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,642.88 : 86,447.52 = 33,962.76 : x
  2. Step 2: Convert to fraction form
    62,642.88/86,447.52 = 33,962.76/x
  3. Step 3: Cross multiply
    62,642.88x = 86,447.52 × 33,962.76
  4. Step 4: Simplify right side
    62,642.88x = 2,935,996,374.36
  5. Step 5: Solve for x
    x = 2,935,996,374.36/62,642.88
  6. Step 6: Final answer
    x = 46,868.80

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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.