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Finding the Fourth Proportional to 17,925.09, 26,895.02 and 7,924.57

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Solution

The fourth proportional to 17,925.09, 26,895.02 and 7,924.57 is: 11,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,925.09 : 26,895.02 = 7,924.57 : x
  2. Step 2: Convert to fraction form
    17,925.09/26,895.02 = 7,924.57/x
  3. Step 3: Cross multiply
    17,925.09x = 26,895.02 × 7,924.57
  4. Step 4: Simplify right side
    17,925.09x = 213,131,468.64
  5. Step 5: Solve for x
    x = 213,131,468.64/17,925.09
  6. Step 6: Final answer
    x = 11,890.12

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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.