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Finding the Fourth Proportional to 29,580.96, 40,822.41 and 16,152.31

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Solution

The fourth proportional to 29,580.96, 40,822.41 and 16,152.31 is: 22,290.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,580.96 : 40,822.41 = 16,152.31 : x
  2. Step 2: Convert to fraction form
    29,580.96/40,822.41 = 16,152.31/x
  3. Step 3: Cross multiply
    29,580.96x = 40,822.41 × 16,152.31
  4. Step 4: Simplify right side
    29,580.96x = 659,376,332.87
  5. Step 5: Solve for x
    x = 659,376,332.87/29,580.96
  6. Step 6: Final answer
    x = 22,290.56

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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.