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Finding the Fourth Proportional to 62,752.50, 94,143.33 and 21,199.50

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Solution

The fourth proportional to 62,752.50, 94,143.33 and 21,199.50 is: 31,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,752.50 : 94,143.33 = 21,199.50 : x
  2. Step 2: Convert to fraction form
    62,752.50/94,143.33 = 21,199.50/x
  3. Step 3: Cross multiply
    62,752.50x = 94,143.33 × 21,199.50
  4. Step 4: Simplify right side
    62,752.50x = 1,995,791,524.34
  5. Step 5: Solve for x
    x = 1,995,791,524.34/62,752.50
  6. Step 6: Final answer
    x = 31,804.18

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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.