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Finding the Fourth Proportional to 27,285.29, 40,919.71 and 17,924.93

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Solution

The fourth proportional to 27,285.29, 40,919.71 and 17,924.93 is: 26,881.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.29 : 40,919.71 = 17,924.93 : x
  2. Step 2: Convert to fraction form
    27,285.29/40,919.71 = 17,924.93/x
  3. Step 3: Cross multiply
    27,285.29x = 40,919.71 × 17,924.93
  4. Step 4: Simplify right side
    27,285.29x = 733,482,937.37
  5. Step 5: Solve for x
    x = 733,482,937.37/27,285.29
  6. Step 6: Final answer
    x = 26,881.99

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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.