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Finding the Fourth Proportional to 14,689.85, 22,042.88 and 6,898.46

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Solution

The fourth proportional to 14,689.85, 22,042.88 and 6,898.46 is: 10,351.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,689.85 : 22,042.88 = 6,898.46 : x
  2. Step 2: Convert to fraction form
    14,689.85/22,042.88 = 6,898.46/x
  3. Step 3: Cross multiply
    14,689.85x = 22,042.88 × 6,898.46
  4. Step 4: Simplify right side
    14,689.85x = 152,061,891.47
  5. Step 5: Solve for x
    x = 152,061,891.47/14,689.85
  6. Step 6: Final answer
    x = 10,351.49

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1.5x scale

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.