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Finding the Fourth Proportional to 14,689.65, 22,026.29 and 4,828.17

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Solution

The fourth proportional to 14,689.65, 22,026.29 and 4,828.17 is: 7,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,689.65 : 22,026.29 = 4,828.17 : x
  2. Step 2: Convert to fraction form
    14,689.65/22,026.29 = 4,828.17/x
  3. Step 3: Cross multiply
    14,689.65x = 22,026.29 × 4,828.17
  4. Step 4: Simplify right side
    14,689.65x = 106,346,648.45
  5. Step 5: Solve for x
    x = 106,346,648.45/14,689.65
  6. Step 6: Final answer
    x = 7,239.56

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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.