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Finding the Fourth Proportional to 44,691.63, 66,935.39 and 21,334.47

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Solution

The fourth proportional to 44,691.63, 66,935.39 and 21,334.47 is: 31,952.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,691.63 : 66,935.39 = 21,334.47 : x
  2. Step 2: Convert to fraction form
    44,691.63/66,935.39 = 21,334.47/x
  3. Step 3: Cross multiply
    44,691.63x = 66,935.39 × 21,334.47
  4. Step 4: Simplify right side
    44,691.63x = 1,428,030,963.22
  5. Step 5: Solve for x
    x = 1,428,030,963.22/44,691.63
  6. Step 6: Final answer
    x = 31,952.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.