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Finding the Fourth Proportional to 10,227.40, 15,330.30 and 5,835.40

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Solution

The fourth proportional to 10,227.40, 15,330.30 and 5,835.40 is: 8,746.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,227.40 : 15,330.30 = 5,835.40 : x
  2. Step 2: Convert to fraction form
    10,227.40/15,330.30 = 5,835.40/x
  3. Step 3: Cross multiply
    10,227.40x = 15,330.30 × 5,835.40
  4. Step 4: Simplify right side
    10,227.40x = 89,458,432.62
  5. Step 5: Solve for x
    x = 89,458,432.62/10,227.40
  6. Step 6: Final answer
    x = 8,746.94

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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.