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Finding the Fourth Proportional to 52,919.65, 79,363.08 and 17,851.11

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Solution

The fourth proportional to 52,919.65, 79,363.08 and 17,851.11 is: 26,771.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,919.65 : 79,363.08 = 17,851.11 : x
  2. Step 2: Convert to fraction form
    52,919.65/79,363.08 = 17,851.11/x
  3. Step 3: Cross multiply
    52,919.65x = 79,363.08 × 17,851.11
  4. Step 4: Simplify right side
    52,919.65x = 1,416,719,071.02
  5. Step 5: Solve for x
    x = 1,416,719,071.02/52,919.65
  6. Step 6: Final answer
    x = 26,771.13

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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.