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Finding the Fourth Proportional to 10,047.89, 15,071.84 and 3,470.49

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Solution

The fourth proportional to 10,047.89, 15,071.84 and 3,470.49 is: 5,205.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,047.89 : 15,071.84 = 3,470.49 : x
  2. Step 2: Convert to fraction form
    10,047.89/15,071.84 = 3,470.49/x
  3. Step 3: Cross multiply
    10,047.89x = 15,071.84 × 3,470.49
  4. Step 4: Simplify right side
    10,047.89x = 52,306,665.66
  5. Step 5: Solve for x
    x = 52,306,665.66/10,047.89
  6. Step 6: Final answer
    x = 5,205.74

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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.