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Finding the Fourth Proportional to 56,341.98, 84,512.97 and 45,799.43

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Solution

The fourth proportional to 56,341.98, 84,512.97 and 45,799.43 is: 68,699.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,341.98 : 84,512.97 = 45,799.43 : x
  2. Step 2: Convert to fraction form
    56,341.98/84,512.97 = 45,799.43/x
  3. Step 3: Cross multiply
    56,341.98x = 84,512.97 × 45,799.43
  4. Step 4: Simplify right side
    56,341.98x = 3,870,645,431.04
  5. Step 5: Solve for x
    x = 3,870,645,431.04/56,341.98
  6. Step 6: Final answer
    x = 68,699.14

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Double scale
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Similar ratio
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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.