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Finding the Fourth Proportional to 27,240.99, 37,590.51 and 15,301.99

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Solution

The fourth proportional to 27,240.99, 37,590.51 and 15,301.99 is: 21,115.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,240.99 : 37,590.51 = 15,301.99 : x
  2. Step 2: Convert to fraction form
    27,240.99/37,590.51 = 15,301.99/x
  3. Step 3: Cross multiply
    27,240.99x = 37,590.51 × 15,301.99
  4. Step 4: Simplify right side
    27,240.99x = 575,209,608.11
  5. Step 5: Solve for x
    x = 575,209,608.11/27,240.99
  6. Step 6: Final answer
    x = 21,115.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.