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Finding the Fourth Proportional to 15,368.46, 23,044.98 and 8,959.11

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Solution

The fourth proportional to 15,368.46, 23,044.98 and 8,959.11 is: 13,434.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,368.46 : 23,044.98 = 8,959.11 : x
  2. Step 2: Convert to fraction form
    15,368.46/23,044.98 = 8,959.11/x
  3. Step 3: Cross multiply
    15,368.46x = 23,044.98 × 8,959.11
  4. Step 4: Simplify right side
    15,368.46x = 206,462,510.77
  5. Step 5: Solve for x
    x = 206,462,510.77/15,368.46
  6. Step 6: Final answer
    x = 13,434.17

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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.