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Finding the Fourth Proportional to 12,363.71, 17,061.80 and 6,698.32

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Solution

The fourth proportional to 12,363.71, 17,061.80 and 6,698.32 is: 9,243.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363.71 : 17,061.80 = 6,698.32 : x
  2. Step 2: Convert to fraction form
    12,363.71/17,061.80 = 6,698.32/x
  3. Step 3: Cross multiply
    12,363.71x = 17,061.80 × 6,698.32
  4. Step 4: Simplify right side
    12,363.71x = 114,285,320.03
  5. Step 5: Solve for x
    x = 114,285,320.03/12,363.71
  6. Step 6: Final answer
    x = 9,243.61

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1.5x scale

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.