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Finding the Fourth Proportional to 62,847.48, 86,730.54 and 34,552.92

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Solution

The fourth proportional to 62,847.48, 86,730.54 and 34,552.92 is: 47,683.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,847.48 : 86,730.54 = 34,552.92 : x
  2. Step 2: Convert to fraction form
    62,847.48/86,730.54 = 34,552.92/x
  3. Step 3: Cross multiply
    62,847.48x = 86,730.54 × 34,552.92
  4. Step 4: Simplify right side
    62,847.48x = 2,996,793,410.18
  5. Step 5: Solve for x
    x = 2,996,793,410.18/62,847.48
  6. Step 6: Final answer
    x = 47,683.59

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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.