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Finding the Fourth Proportional to 61,650.68, 85,078.23 and 34,794.32

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Solution

The fourth proportional to 61,650.68, 85,078.23 and 34,794.32 is: 48,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,650.68 : 85,078.23 = 34,794.32 : x
  2. Step 2: Convert to fraction form
    61,650.68/85,078.23 = 34,794.32/x
  3. Step 3: Cross multiply
    61,650.68x = 85,078.23 × 34,794.32
  4. Step 4: Simplify right side
    61,650.68x = 2,960,239,159.65
  5. Step 5: Solve for x
    x = 2,960,239,159.65/61,650.68
  6. Step 6: Final answer
    x = 48,016.33

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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.