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Finding the Fourth Proportional to 9,908.24, 14,864.84 and 6,992.24

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Solution

The fourth proportional to 9,908.24, 14,864.84 and 6,992.24 is: 10,490.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.24 : 14,864.84 = 6,992.24 : x
  2. Step 2: Convert to fraction form
    9,908.24/14,864.84 = 6,992.24/x
  3. Step 3: Cross multiply
    9,908.24x = 14,864.84 × 6,992.24
  4. Step 4: Simplify right side
    9,908.24x = 103,938,528.84
  5. Step 5: Solve for x
    x = 103,938,528.84/9,908.24
  6. Step 6: Final answer
    x = 10,490.11

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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.