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Finding the Fourth Proportional to 52,882.96, 79,392.08 and 45,434.19

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Solution

The fourth proportional to 52,882.96, 79,392.08 and 45,434.19 is: 68,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,882.96 : 79,392.08 = 45,434.19 : x
  2. Step 2: Convert to fraction form
    52,882.96/79,392.08 = 45,434.19/x
  3. Step 3: Cross multiply
    52,882.96x = 79,392.08 × 45,434.19
  4. Step 4: Simplify right side
    52,882.96x = 3,607,114,847.22
  5. Step 5: Solve for x
    x = 3,607,114,847.22/52,882.96
  6. Step 6: Final answer
    x = 68,209.40

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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.