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Finding the Fourth Proportional to 15,295.72, 22,938.06 and 5,297.76

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Solution

The fourth proportional to 15,295.72, 22,938.06 and 5,297.76 is: 7,944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,295.72 : 22,938.06 = 5,297.76 : x
  2. Step 2: Convert to fraction form
    15,295.72/22,938.06 = 5,297.76/x
  3. Step 3: Cross multiply
    15,295.72x = 22,938.06 × 5,297.76
  4. Step 4: Simplify right side
    15,295.72x = 121,520,336.75
  5. Step 5: Solve for x
    x = 121,520,336.75/15,295.72
  6. Step 6: Final answer
    x = 7,944.73

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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.