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Finding the Fourth Proportional to 7,402.44, 10,203.86 and 5,040.52

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Solution

The fourth proportional to 7,402.44, 10,203.86 and 5,040.52 is: 6,948.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.44 : 10,203.86 = 5,040.52 : x
  2. Step 2: Convert to fraction form
    7,402.44/10,203.86 = 5,040.52/x
  3. Step 3: Cross multiply
    7,402.44x = 10,203.86 × 5,040.52
  4. Step 4: Simplify right side
    7,402.44x = 51,432,760.41
  5. Step 5: Solve for x
    x = 51,432,760.41/7,402.44
  6. Step 6: Final answer
    x = 6,948.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.