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Finding the Fourth Proportional to 65,616.80, 98,277.20 and 30,482.52

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Solution

The fourth proportional to 65,616.80, 98,277.20 and 30,482.52 is: 45,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,616.80 : 98,277.20 = 30,482.52 : x
  2. Step 2: Convert to fraction form
    65,616.80/98,277.20 = 30,482.52/x
  3. Step 3: Cross multiply
    65,616.80x = 98,277.20 × 30,482.52
  4. Step 4: Simplify right side
    65,616.80x = 2,995,736,714.54
  5. Step 5: Solve for x
    x = 2,995,736,714.54/65,616.80
  6. Step 6: Final answer
    x = 45,655.03

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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.