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Finding the Fourth Proportional to 10,612.60, 15,908.10 and 6,227.80

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Solution

The fourth proportional to 10,612.60, 15,908.10 and 6,227.80 is: 9,335.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.60 : 15,908.10 = 6,227.80 : x
  2. Step 2: Convert to fraction form
    10,612.60/15,908.10 = 6,227.80/x
  3. Step 3: Cross multiply
    10,612.60x = 15,908.10 × 6,227.80
  4. Step 4: Simplify right side
    10,612.60x = 99,072,465.18
  5. Step 5: Solve for x
    x = 99,072,465.18/10,612.60
  6. Step 6: Final answer
    x = 9,335.36

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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.