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Finding the Fourth Proportional to 15,683.28, 23,520.06 and 7,358.10

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Solution

The fourth proportional to 15,683.28, 23,520.06 and 7,358.10 is: 11,034.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,683.28 : 23,520.06 = 7,358.10 : x
  2. Step 2: Convert to fraction form
    15,683.28/23,520.06 = 7,358.10/x
  3. Step 3: Cross multiply
    15,683.28x = 23,520.06 × 7,358.10
  4. Step 4: Simplify right side
    15,683.28x = 173,062,953.49
  5. Step 5: Solve for x
    x = 173,062,953.49/15,683.28
  6. Step 6: Final answer
    x = 11,034.87

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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.