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Finding the Fourth Proportional to 45,568.62, 68,341.86 and 19,259.10

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Solution

The fourth proportional to 45,568.62, 68,341.86 and 19,259.10 is: 28,883.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,568.62 : 68,341.86 = 19,259.10 : x
  2. Step 2: Convert to fraction form
    45,568.62/68,341.86 = 19,259.10/x
  3. Step 3: Cross multiply
    45,568.62x = 68,341.86 × 19,259.10
  4. Step 4: Simplify right side
    45,568.62x = 1,316,202,715.93
  5. Step 5: Solve for x
    x = 1,316,202,715.93/45,568.62
  6. Step 6: Final answer
    x = 28,883.97

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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.