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Finding the Fourth Proportional to 64,641.39, 96,943.14 and 25,189.08

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Solution

The fourth proportional to 64,641.39, 96,943.14 and 25,189.08 is: 37,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,641.39 : 96,943.14 = 25,189.08 : x
  2. Step 2: Convert to fraction form
    64,641.39/96,943.14 = 25,189.08/x
  3. Step 3: Cross multiply
    64,641.39x = 96,943.14 × 25,189.08
  4. Step 4: Simplify right side
    64,641.39x = 2,441,908,508.91
  5. Step 5: Solve for x
    x = 2,441,908,508.91/64,641.39
  6. Step 6: Final answer
    x = 37,776.24

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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.