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Finding the Fourth Proportional to 6,871.04, 9,481.50 and 4,038.52

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Solution

The fourth proportional to 6,871.04, 9,481.50 and 4,038.52 is: 5,572.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.04 : 9,481.50 = 4,038.52 : x
  2. Step 2: Convert to fraction form
    6,871.04/9,481.50 = 4,038.52/x
  3. Step 3: Cross multiply
    6,871.04x = 9,481.50 × 4,038.52
  4. Step 4: Simplify right side
    6,871.04x = 38,291,227.38
  5. Step 5: Solve for x
    x = 38,291,227.38/6,871.04
  6. Step 6: Final answer
    x = 5,572.84

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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.