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Finding the Fourth Proportional to 40,624.66, 56,060.67 and 22,721.68

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Solution

The fourth proportional to 40,624.66, 56,060.67 and 22,721.68 is: 31,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,624.66 : 56,060.67 = 22,721.68 : x
  2. Step 2: Convert to fraction form
    40,624.66/56,060.67 = 22,721.68/x
  3. Step 3: Cross multiply
    40,624.66x = 56,060.67 × 22,721.68
  4. Step 4: Simplify right side
    40,624.66x = 1,273,792,604.33
  5. Step 5: Solve for x
    x = 1,273,792,604.33/40,624.66
  6. Step 6: Final answer
    x = 31,355.16

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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.