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Finding the Fourth Proportional to 73,612.63, 110,432.91 and 23,689.09

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Solution

The fourth proportional to 73,612.63, 110,432.91 and 23,689.09 is: 35,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,612.63 : 110,432.91 = 23,689.09 : x
  2. Step 2: Convert to fraction form
    73,612.63/110,432.91 = 23,689.09/x
  3. Step 3: Cross multiply
    73,612.63x = 110,432.91 × 23,689.09
  4. Step 4: Simplify right side
    73,612.63x = 2,616,055,143.95
  5. Step 5: Solve for x
    x = 2,616,055,143.95/73,612.63
  6. Step 6: Final answer
    x = 35,538.13

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1.5x scale

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.