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Finding the Fourth Proportional to 61,309.26, 91,427.36 and 60,748.74

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Solution

The fourth proportional to 61,309.26, 91,427.36 and 60,748.74 is: 90,591.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,309.26 : 91,427.36 = 60,748.74 : x
  2. Step 2: Convert to fraction form
    61,309.26/91,427.36 = 60,748.74/x
  3. Step 3: Cross multiply
    61,309.26x = 91,427.36 × 60,748.74
  4. Step 4: Simplify right side
    61,309.26x = 5,554,096,921.53
  5. Step 5: Solve for x
    x = 5,554,096,921.53/61,309.26
  6. Step 6: Final answer
    x = 90,591.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.