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Finding the Fourth Proportional to 72,366.18, 108,510.21 and 22,424.82

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Solution

The fourth proportional to 72,366.18, 108,510.21 and 22,424.82 is: 33,625.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,366.18 : 108,510.21 = 22,424.82 : x
  2. Step 2: Convert to fraction form
    72,366.18/108,510.21 = 22,424.82/x
  3. Step 3: Cross multiply
    72,366.18x = 108,510.21 × 22,424.82
  4. Step 4: Simplify right side
    72,366.18x = 2,433,321,927.41
  5. Step 5: Solve for x
    x = 2,433,321,927.41/72,366.18
  6. Step 6: Final answer
    x = 33,625.13

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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.