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Finding the Fourth Proportional to 48,464.88, 66,862.56 and 35,748.28

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Solution

The fourth proportional to 48,464.88, 66,862.56 and 35,748.28 is: 49,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,464.88 : 66,862.56 = 35,748.28 : x
  2. Step 2: Convert to fraction form
    48,464.88/66,862.56 = 35,748.28/x
  3. Step 3: Cross multiply
    48,464.88x = 66,862.56 × 35,748.28
  4. Step 4: Simplify right side
    48,464.88x = 2,390,221,516.40
  5. Step 5: Solve for x
    x = 2,390,221,516.40/48,464.88
  6. Step 6: Final answer
    x = 49,318.63

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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.