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Finding the Fourth Proportional to 34,718.60, 52,118.40 and 18,097.40

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Solution

The fourth proportional to 34,718.60, 52,118.40 and 18,097.40 is: 27,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,718.60 : 52,118.40 = 18,097.40 : x
  2. Step 2: Convert to fraction form
    34,718.60/52,118.40 = 18,097.40/x
  3. Step 3: Cross multiply
    34,718.60x = 52,118.40 × 18,097.40
  4. Step 4: Simplify right side
    34,718.60x = 943,207,532.16
  5. Step 5: Solve for x
    x = 943,207,532.16/34,718.60
  6. Step 6: Final answer
    x = 27,167.21

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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.