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Finding the Fourth Proportional to 15,322.66, 22,972.29 and 6,996.90

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Solution

The fourth proportional to 15,322.66, 22,972.29 and 6,996.90 is: 10,490.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322.66 : 22,972.29 = 6,996.90 : x
  2. Step 2: Convert to fraction form
    15,322.66/22,972.29 = 6,996.90/x
  3. Step 3: Cross multiply
    15,322.66x = 22,972.29 × 6,996.90
  4. Step 4: Simplify right side
    15,322.66x = 160,734,815.90
  5. Step 5: Solve for x
    x = 160,734,815.90/15,322.66
  6. Step 6: Final answer
    x = 10,490.01

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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.