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Finding the Fourth Proportional to 62,699.76, 94,049.28 and 15,315.11

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Solution

The fourth proportional to 62,699.76, 94,049.28 and 15,315.11 is: 22,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,699.76 : 94,049.28 = 15,315.11 : x
  2. Step 2: Convert to fraction form
    62,699.76/94,049.28 = 15,315.11/x
  3. Step 3: Cross multiply
    62,699.76x = 94,049.28 × 15,315.11
  4. Step 4: Simplify right side
    62,699.76x = 1,440,374,598.37
  5. Step 5: Solve for x
    x = 1,440,374,598.37/62,699.76
  6. Step 6: Final answer
    x = 22,972.57

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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.