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Finding the Fourth Proportional to 15,609.70, 23,403.60 and 5,747.70

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Solution

The fourth proportional to 15,609.70, 23,403.60 and 5,747.70 is: 8,617.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,609.70 : 23,403.60 = 5,747.70 : x
  2. Step 2: Convert to fraction form
    15,609.70/23,403.60 = 5,747.70/x
  3. Step 3: Cross multiply
    15,609.70x = 23,403.60 × 5,747.70
  4. Step 4: Simplify right side
    15,609.70x = 134,516,871.72
  5. Step 5: Solve for x
    x = 134,516,871.72/15,609.70
  6. Step 6: Final answer
    x = 8,617.52

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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.