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Finding the Fourth Proportional to 49,219.52, 67,987.04 and 39,823.52

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Solution

The fourth proportional to 49,219.52, 67,987.04 and 39,823.52 is: 55,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,219.52 : 67,987.04 = 39,823.52 : x
  2. Step 2: Convert to fraction form
    49,219.52/67,987.04 = 39,823.52/x
  3. Step 3: Cross multiply
    49,219.52x = 67,987.04 × 39,823.52
  4. Step 4: Simplify right side
    49,219.52x = 2,707,483,247.18
  5. Step 5: Solve for x
    x = 2,707,483,247.18/49,219.52
  6. Step 6: Final answer
    x = 55,008.32

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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.