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Finding the Fourth Proportional to 64,547.42, 96,859.02 and 27,104.61

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Solution

The fourth proportional to 64,547.42, 96,859.02 and 27,104.61 is: 40,672.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,547.42 : 96,859.02 = 27,104.61 : x
  2. Step 2: Convert to fraction form
    64,547.42/96,859.02 = 27,104.61/x
  3. Step 3: Cross multiply
    64,547.42x = 96,859.02 × 27,104.61
  4. Step 4: Simplify right side
    64,547.42x = 2,625,325,962.08
  5. Step 5: Solve for x
    x = 2,625,325,962.08/64,547.42
  6. Step 6: Final answer
    x = 40,672.83

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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.