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Finding the Fourth Proportional to 55,223.50, 82,803.66 and 25,626.10

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Solution

The fourth proportional to 55,223.50, 82,803.66 and 25,626.10 is: 38,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,223.50 : 82,803.66 = 25,626.10 : x
  2. Step 2: Convert to fraction form
    55,223.50/82,803.66 = 25,626.10/x
  3. Step 3: Cross multiply
    55,223.50x = 82,803.66 × 25,626.10
  4. Step 4: Simplify right side
    55,223.50x = 2,121,934,871.53
  5. Step 5: Solve for x
    x = 2,121,934,871.53/55,223.50
  6. Step 6: Final answer
    x = 38,424.49

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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.