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Finding the Fourth Proportional to 70,679.84, 97,510.24 and 45,544

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Solution

The fourth proportional to 70,679.84, 97,510.24 and 45,544 is: 62,832.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,679.84 : 97,510.24 = 45,544 : x
  2. Step 2: Convert to fraction form
    70,679.84/97,510.24 = 45,544/x
  3. Step 3: Cross multiply
    70,679.84x = 97,510.24 × 45,544
  4. Step 4: Simplify right side
    70,679.84x = 4,441,006,370.56
  5. Step 5: Solve for x
    x = 4,441,006,370.56/70,679.84
  6. Step 6: Final answer
    x = 62,832.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.