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Finding the Fourth Proportional to 27,265.77, 40,893.89 and 7,275.51

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Solution

The fourth proportional to 27,265.77, 40,893.89 and 7,275.51 is: 10,911.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,265.77 : 40,893.89 = 7,275.51 : x
  2. Step 2: Convert to fraction form
    27,265.77/40,893.89 = 7,275.51/x
  3. Step 3: Cross multiply
    27,265.77x = 40,893.89 × 7,275.51
  4. Step 4: Simplify right side
    27,265.77x = 297,523,869.26
  5. Step 5: Solve for x
    x = 297,523,869.26/27,265.77
  6. Step 6: Final answer
    x = 10,911.99

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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.