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Finding the Fourth Proportional to 55,039.95, 82,531.98 and 23,437.80

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Solution

The fourth proportional to 55,039.95, 82,531.98 and 23,437.80 is: 35,144.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,039.95 : 82,531.98 = 23,437.80 : x
  2. Step 2: Convert to fraction form
    55,039.95/82,531.98 = 23,437.80/x
  3. Step 3: Cross multiply
    55,039.95x = 82,531.98 × 23,437.80
  4. Step 4: Simplify right side
    55,039.95x = 1,934,368,040.84
  5. Step 5: Solve for x
    x = 1,934,368,040.84/55,039.95
  6. Step 6: Final answer
    x = 35,144.80

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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.