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Finding the Fourth Proportional to 10,398.38, 15,576.95 and 4,844.08

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Solution

The fourth proportional to 10,398.38, 15,576.95 and 4,844.08 is: 7,256.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398.38 : 15,576.95 = 4,844.08 : x
  2. Step 2: Convert to fraction form
    10,398.38/15,576.95 = 4,844.08/x
  3. Step 3: Cross multiply
    10,398.38x = 15,576.95 × 4,844.08
  4. Step 4: Simplify right side
    10,398.38x = 75,455,945.67
  5. Step 5: Solve for x
    x = 75,455,945.67/10,398.38
  6. Step 6: Final answer
    x = 7,256.51

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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.