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Finding the Fourth Proportional to 48,641.66, 72,966.09 and 17,477.18

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Solution

The fourth proportional to 48,641.66, 72,966.09 and 17,477.18 is: 26,217.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,641.66 : 72,966.09 = 17,477.18 : x
  2. Step 2: Convert to fraction form
    48,641.66/72,966.09 = 17,477.18/x
  3. Step 3: Cross multiply
    48,641.66x = 72,966.09 × 17,477.18
  4. Step 4: Simplify right side
    48,641.66x = 1,275,241,488.83
  5. Step 5: Solve for x
    x = 1,275,241,488.83/48,641.66
  6. Step 6: Final answer
    x = 26,217.06

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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.