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Finding the Fourth Proportional to 67,649.55, 93,279.95 and 50,599.14

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Solution

The fourth proportional to 67,649.55, 93,279.95 and 50,599.14 is: 69,769.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,649.55 : 93,279.95 = 50,599.14 : x
  2. Step 2: Convert to fraction form
    67,649.55/93,279.95 = 50,599.14/x
  3. Step 3: Cross multiply
    67,649.55x = 93,279.95 × 50,599.14
  4. Step 4: Simplify right side
    67,649.55x = 4,719,885,249.24
  5. Step 5: Solve for x
    x = 4,719,885,249.24/67,649.55
  6. Step 6: Final answer
    x = 69,769.65

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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.