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Finding the Fourth Proportional to 10,902.93, 15,044.93 and 6,123.41

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Solution

The fourth proportional to 10,902.93, 15,044.93 and 6,123.41 is: 8,449.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.93 : 15,044.93 = 6,123.41 : x
  2. Step 2: Convert to fraction form
    10,902.93/15,044.93 = 6,123.41/x
  3. Step 3: Cross multiply
    10,902.93x = 15,044.93 × 6,123.41
  4. Step 4: Simplify right side
    10,902.93x = 92,126,168.97
  5. Step 5: Solve for x
    x = 92,126,168.97/10,902.93
  6. Step 6: Final answer
    x = 8,449.67

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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.