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Finding the Fourth Proportional to 59,809.74, 82,441.23 and 40,422.59

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Solution

The fourth proportional to 59,809.74, 82,441.23 and 40,422.59 is: 55,718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,809.74 : 82,441.23 = 40,422.59 : x
  2. Step 2: Convert to fraction form
    59,809.74/82,441.23 = 40,422.59/x
  3. Step 3: Cross multiply
    59,809.74x = 82,441.23 × 40,422.59
  4. Step 4: Simplify right side
    59,809.74x = 3,332,487,627.18
  5. Step 5: Solve for x
    x = 3,332,487,627.18/59,809.74
  6. Step 6: Final answer
    x = 55,718.14

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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.