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Finding the Fourth Proportional to 14,473.80, 19,959.18 and 8,803.02

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Solution

The fourth proportional to 14,473.80, 19,959.18 and 8,803.02 is: 12,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,473.80 : 19,959.18 = 8,803.02 : x
  2. Step 2: Convert to fraction form
    14,473.80/19,959.18 = 8,803.02/x
  3. Step 3: Cross multiply
    14,473.80x = 19,959.18 × 8,803.02
  4. Step 4: Simplify right side
    14,473.80x = 175,701,060.72
  5. Step 5: Solve for x
    x = 175,701,060.72/14,473.80
  6. Step 6: Final answer
    x = 12,139.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.