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Finding the Fourth Proportional to 48,549.97, 72,832.80 and 14,359.21

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Solution

The fourth proportional to 48,549.97, 72,832.80 and 14,359.21 is: 21,541.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,549.97 : 72,832.80 = 14,359.21 : x
  2. Step 2: Convert to fraction form
    48,549.97/72,832.80 = 14,359.21/x
  3. Step 3: Cross multiply
    48,549.97x = 72,832.80 × 14,359.21
  4. Step 4: Simplify right side
    48,549.97x = 1,045,821,261.08
  5. Step 5: Solve for x
    x = 1,045,821,261.08/48,549.97
  6. Step 6: Final answer
    x = 21,541.13

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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.