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Finding the Fourth Proportional to 10,040.10, 15,060.15 and 3,114.60

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Solution

The fourth proportional to 10,040.10, 15,060.15 and 3,114.60 is: 4,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.10 : 15,060.15 = 3,114.60 : x
  2. Step 2: Convert to fraction form
    10,040.10/15,060.15 = 3,114.60/x
  3. Step 3: Cross multiply
    10,040.10x = 15,060.15 × 3,114.60
  4. Step 4: Simplify right side
    10,040.10x = 46,906,343.19
  5. Step 5: Solve for x
    x = 46,906,343.19/10,040.10
  6. Step 6: Final answer
    x = 4,671.90

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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.