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Finding the Fourth Proportional to 60,427.77, 90,655.76 and 18,308.17

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Solution

The fourth proportional to 60,427.77, 90,655.76 and 18,308.17 is: 27,466.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,427.77 : 90,655.76 = 18,308.17 : x
  2. Step 2: Convert to fraction form
    60,427.77/90,655.76 = 18,308.17/x
  3. Step 3: Cross multiply
    60,427.77x = 90,655.76 × 18,308.17
  4. Step 4: Simplify right side
    60,427.77x = 1,659,741,065.56
  5. Step 5: Solve for x
    x = 1,659,741,065.56/60,427.77
  6. Step 6: Final answer
    x = 27,466.53

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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.