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Finding the Fourth Proportional to 27,237.78, 40,859.02 and 7,516.33

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Solution

The fourth proportional to 27,237.78, 40,859.02 and 7,516.33 is: 11,275.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,237.78 : 40,859.02 = 7,516.33 : x
  2. Step 2: Convert to fraction form
    27,237.78/40,859.02 = 7,516.33/x
  3. Step 3: Cross multiply
    27,237.78x = 40,859.02 × 7,516.33
  4. Step 4: Simplify right side
    27,237.78x = 307,109,877.80
  5. Step 5: Solve for x
    x = 307,109,877.80/27,237.78
  6. Step 6: Final answer
    x = 11,275.14

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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.