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Finding the Fourth Proportional to 67,315.34, 100,981.74 and 22,930.22

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Solution

The fourth proportional to 67,315.34, 100,981.74 and 22,930.22 is: 34,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,315.34 : 100,981.74 = 22,930.22 : x
  2. Step 2: Convert to fraction form
    67,315.34/100,981.74 = 22,930.22/x
  3. Step 3: Cross multiply
    67,315.34x = 100,981.74 × 22,930.22
  4. Step 4: Simplify right side
    67,315.34x = 2,315,533,514.18
  5. Step 5: Solve for x
    x = 2,315,533,514.18/67,315.34
  6. Step 6: Final answer
    x = 34,398.30

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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.