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Finding the Fourth Proportional to 63,400.59, 87,492.87 and 35,105.67

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Solution

The fourth proportional to 63,400.59, 87,492.87 and 35,105.67 is: 48,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,400.59 : 87,492.87 = 35,105.67 : x
  2. Step 2: Convert to fraction form
    63,400.59/87,492.87 = 35,105.67/x
  3. Step 3: Cross multiply
    63,400.59x = 87,492.87 × 35,105.67
  4. Step 4: Simplify right side
    63,400.59x = 3,071,495,821.57
  5. Step 5: Solve for x
    x = 3,071,495,821.57/63,400.59
  6. Step 6: Final answer
    x = 48,445.86

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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.