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Finding the Fourth Proportional to 17,925.65, 26,904.87 and 9,166.71

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Solution

The fourth proportional to 17,925.65, 26,904.87 and 9,166.71 is: 13,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,925.65 : 26,904.87 = 9,166.71 : x
  2. Step 2: Convert to fraction form
    17,925.65/26,904.87 = 9,166.71/x
  3. Step 3: Cross multiply
    17,925.65x = 26,904.87 × 9,166.71
  4. Step 4: Simplify right side
    17,925.65x = 246,629,140.88
  5. Step 5: Solve for x
    x = 246,629,140.88/17,925.65
  6. Step 6: Final answer
    x = 13,758.45

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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.