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Finding the Fourth Proportional to 72,314.66, 108,470.16 and 22,392.74

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Solution

The fourth proportional to 72,314.66, 108,470.16 and 22,392.74 is: 33,588.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,314.66 : 108,470.16 = 22,392.74 : x
  2. Step 2: Convert to fraction form
    72,314.66/108,470.16 = 22,392.74/x
  3. Step 3: Cross multiply
    72,314.66x = 108,470.16 × 22,392.74
  4. Step 4: Simplify right side
    72,314.66x = 2,428,943,548.29
  5. Step 5: Solve for x
    x = 2,428,943,548.29/72,314.66
  6. Step 6: Final answer
    x = 33,588.54

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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.