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Finding the Fourth Proportional to 17,097.60, 25,646.40 and 8,338.08

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Solution

The fourth proportional to 17,097.60, 25,646.40 and 8,338.08 is: 12,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,097.60 : 25,646.40 = 8,338.08 : x
  2. Step 2: Convert to fraction form
    17,097.60/25,646.40 = 8,338.08/x
  3. Step 3: Cross multiply
    17,097.60x = 25,646.40 × 8,338.08
  4. Step 4: Simplify right side
    17,097.60x = 213,841,734.91
  5. Step 5: Solve for x
    x = 213,841,734.91/17,097.60
  6. Step 6: Final answer
    x = 12,507.12

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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.