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Finding the Fourth Proportional to 43,468.80, 65,225.08 and 32,397.72

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Solution

The fourth proportional to 43,468.80, 65,225.08 and 32,397.72 is: 48,612.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,468.80 : 65,225.08 = 32,397.72 : x
  2. Step 2: Convert to fraction form
    43,468.80/65,225.08 = 32,397.72/x
  3. Step 3: Cross multiply
    43,468.80x = 65,225.08 × 32,397.72
  4. Step 4: Simplify right side
    43,468.80x = 2,113,143,878.82
  5. Step 5: Solve for x
    x = 2,113,143,878.82/43,468.80
  6. Step 6: Final answer
    x = 48,612.89

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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.