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Finding the Fourth Proportional to 60,967.68, 91,488 and 34,709.76

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Solution

The fourth proportional to 60,967.68, 91,488 and 34,709.76 is: 52,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,967.68 : 91,488 = 34,709.76 : x
  2. Step 2: Convert to fraction form
    60,967.68/91,488 = 34,709.76/x
  3. Step 3: Cross multiply
    60,967.68x = 91,488 × 34,709.76
  4. Step 4: Simplify right side
    60,967.68x = 3,175,526,522.88
  5. Step 5: Solve for x
    x = 3,175,526,522.88/60,967.68
  6. Step 6: Final answer
    x = 52,085.41

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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.