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Finding the Fourth Proportional to 65,956.16, 98,868.02 and 32,700.40

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Solution

The fourth proportional to 65,956.16, 98,868.02 and 32,700.40 is: 49,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,956.16 : 98,868.02 = 32,700.40 : x
  2. Step 2: Convert to fraction form
    65,956.16/98,868.02 = 32,700.40/x
  3. Step 3: Cross multiply
    65,956.16x = 98,868.02 × 32,700.40
  4. Step 4: Simplify right side
    65,956.16x = 3,233,023,390.54
  5. Step 5: Solve for x
    x = 3,233,023,390.54/65,956.16
  6. Step 6: Final answer
    x = 49,017.76

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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.