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Finding the Fourth Proportional to 10,601.68, 15,903.24 and 2,810.24

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Solution

The fourth proportional to 10,601.68, 15,903.24 and 2,810.24 is: 4,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,601.68 : 15,903.24 = 2,810.24 : x
  2. Step 2: Convert to fraction form
    10,601.68/15,903.24 = 2,810.24/x
  3. Step 3: Cross multiply
    10,601.68x = 15,903.24 × 2,810.24
  4. Step 4: Simplify right side
    10,601.68x = 44,691,921.18
  5. Step 5: Solve for x
    x = 44,691,921.18/10,601.68
  6. Step 6: Final answer
    x = 4,215.55

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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.