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Finding the Fourth Proportional to 52,880.67, 79,295.68 and 30,700.17

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Solution

The fourth proportional to 52,880.67, 79,295.68 and 30,700.17 is: 46,035.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,880.67 : 79,295.68 = 30,700.17 : x
  2. Step 2: Convert to fraction form
    52,880.67/79,295.68 = 30,700.17/x
  3. Step 3: Cross multiply
    52,880.67x = 79,295.68 × 30,700.17
  4. Step 4: Simplify right side
    52,880.67x = 2,434,390,856.27
  5. Step 5: Solve for x
    x = 2,434,390,856.27/52,880.67
  6. Step 6: Final answer
    x = 46,035.55

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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.