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Finding the Fourth Proportional to 22,672.16, 34,014.01 and 13,320.08

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Solution

The fourth proportional to 22,672.16, 34,014.01 and 13,320.08 is: 19,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,672.16 : 34,014.01 = 13,320.08 : x
  2. Step 2: Convert to fraction form
    22,672.16/34,014.01 = 13,320.08/x
  3. Step 3: Cross multiply
    22,672.16x = 34,014.01 × 13,320.08
  4. Step 4: Simplify right side
    22,672.16x = 453,069,386.06
  5. Step 5: Solve for x
    x = 453,069,386.06/22,672.16
  6. Step 6: Final answer
    x = 19,983.51

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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.