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Finding the Fourth Proportional to 48,081, 72,130.80 and 14,795.16

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Solution

The fourth proportional to 48,081, 72,130.80 and 14,795.16 is: 22,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,081 : 72,130.80 = 14,795.16 : x
  2. Step 2: Convert to fraction form
    48,081/72,130.80 = 14,795.16/x
  3. Step 3: Cross multiply
    48,081x = 72,130.80 × 14,795.16
  4. Step 4: Simplify right side
    48,081x = 1,067,186,726.93
  5. Step 5: Solve for x
    x = 1,067,186,726.93/48,081
  6. Step 6: Final answer
    x = 22,195.60

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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.