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Finding the Fourth Proportional to 65,591.56, 98,368.10 and 30,032.76

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Solution

The fourth proportional to 65,591.56, 98,368.10 and 30,032.76 is: 45,040.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,591.56 : 98,368.10 = 30,032.76 : x
  2. Step 2: Convert to fraction form
    65,591.56/98,368.10 = 30,032.76/x
  3. Step 3: Cross multiply
    65,591.56x = 98,368.10 × 30,032.76
  4. Step 4: Simplify right side
    65,591.56x = 2,954,265,538.96
  5. Step 5: Solve for x
    x = 2,954,265,538.96/65,591.56
  6. Step 6: Final answer
    x = 45,040.33

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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.