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Finding the Fourth Proportional to 19,959.17, 29,959.52 and 14,700.12

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Solution

The fourth proportional to 19,959.17, 29,959.52 and 14,700.12 is: 22,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.17 : 29,959.52 = 14,700.12 : x
  2. Step 2: Convert to fraction form
    19,959.17/29,959.52 = 14,700.12/x
  3. Step 3: Cross multiply
    19,959.17x = 29,959.52 × 14,700.12
  4. Step 4: Simplify right side
    19,959.17x = 440,408,465.64
  5. Step 5: Solve for x
    x = 440,408,465.64/19,959.17
  6. Step 6: Final answer
    x = 22,065.48

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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.