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Finding the Fourth Proportional to 65,740.80, 98,621.04 and 24,184.64

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Solution

The fourth proportional to 65,740.80, 98,621.04 and 24,184.64 is: 36,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,740.80 : 98,621.04 = 24,184.64 : x
  2. Step 2: Convert to fraction form
    65,740.80/98,621.04 = 24,184.64/x
  3. Step 3: Cross multiply
    65,740.80x = 98,621.04 × 24,184.64
  4. Step 4: Simplify right side
    65,740.80x = 2,385,114,348.83
  5. Step 5: Solve for x
    x = 2,385,114,348.83/65,740.80
  6. Step 6: Final answer
    x = 36,280.58

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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.