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Finding the Fourth Proportional to 60,680.96, 91,020.54 and 36,995.48

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Solution

The fourth proportional to 60,680.96, 91,020.54 and 36,995.48 is: 55,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,680.96 : 91,020.54 = 36,995.48 : x
  2. Step 2: Convert to fraction form
    60,680.96/91,020.54 = 36,995.48/x
  3. Step 3: Cross multiply
    60,680.96x = 91,020.54 × 36,995.48
  4. Step 4: Simplify right side
    60,680.96x = 3,367,348,567.16
  5. Step 5: Solve for x
    x = 3,367,348,567.16/60,680.96
  6. Step 6: Final answer
    x = 55,492.67

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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.