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Finding the Fourth Proportional to 68,443.93, 94,451.63 and 38,229.68

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Solution

The fourth proportional to 68,443.93, 94,451.63 and 38,229.68 is: 52,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,443.93 : 94,451.63 = 38,229.68 : x
  2. Step 2: Convert to fraction form
    68,443.93/94,451.63 = 38,229.68/x
  3. Step 3: Cross multiply
    68,443.93x = 94,451.63 × 38,229.68
  4. Step 4: Simplify right side
    68,443.93x = 3,610,855,281.17
  5. Step 5: Solve for x
    x = 3,610,855,281.17/68,443.93
  6. Step 6: Final answer
    x = 52,756.40

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Half scale
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Double scale
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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.