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Finding the Fourth Proportional to 26,775.48, 40,148.16 and 10,976.16

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Solution

The fourth proportional to 26,775.48, 40,148.16 and 10,976.16 is: 16,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,775.48 : 40,148.16 = 10,976.16 : x
  2. Step 2: Convert to fraction form
    26,775.48/40,148.16 = 10,976.16/x
  3. Step 3: Cross multiply
    26,775.48x = 40,148.16 × 10,976.16
  4. Step 4: Simplify right side
    26,775.48x = 440,672,627.87
  5. Step 5: Solve for x
    x = 440,672,627.87/26,775.48
  6. Step 6: Final answer
    x = 16,458.07

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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.