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Finding the Fourth Proportional to 52,422.45, 72,340.51 and 29,758.45

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Solution

The fourth proportional to 52,422.45, 72,340.51 and 29,758.45 is: 41,065.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,422.45 : 72,340.51 = 29,758.45 : x
  2. Step 2: Convert to fraction form
    52,422.45/72,340.51 = 29,758.45/x
  3. Step 3: Cross multiply
    52,422.45x = 72,340.51 × 29,758.45
  4. Step 4: Simplify right side
    52,422.45x = 2,152,741,194.56
  5. Step 5: Solve for x
    x = 2,152,741,194.56/52,422.45
  6. Step 6: Final answer
    x = 41,065.25

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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.