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Finding the Fourth Proportional to 10,698.57, 14,759.05 and 6,922.95

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Solution

The fourth proportional to 10,698.57, 14,759.05 and 6,922.95 is: 9,550.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,698.57 : 14,759.05 = 6,922.95 : x
  2. Step 2: Convert to fraction form
    10,698.57/14,759.05 = 6,922.95/x
  3. Step 3: Cross multiply
    10,698.57x = 14,759.05 × 6,922.95
  4. Step 4: Simplify right side
    10,698.57x = 102,176,165.20
  5. Step 5: Solve for x
    x = 102,176,165.20/10,698.57
  6. Step 6: Final answer
    x = 9,550.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.