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Finding the Fourth Proportional to 60,968.76, 84,138.30 and 34,110.12

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Solution

The fourth proportional to 60,968.76, 84,138.30 and 34,110.12 is: 47,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,968.76 : 84,138.30 = 34,110.12 : x
  2. Step 2: Convert to fraction form
    60,968.76/84,138.30 = 34,110.12/x
  3. Step 3: Cross multiply
    60,968.76x = 84,138.30 × 34,110.12
  4. Step 4: Simplify right side
    60,968.76x = 2,869,967,509.60
  5. Step 5: Solve for x
    x = 2,869,967,509.60/60,968.76
  6. Step 6: Final answer
    x = 47,072.76

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1.5x scale

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.