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Finding the Fourth Proportional to 27,437.25, 37,865.03 and 15,500.28

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Solution

The fourth proportional to 27,437.25, 37,865.03 and 15,500.28 is: 21,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,437.25 : 37,865.03 = 15,500.28 : x
  2. Step 2: Convert to fraction form
    27,437.25/37,865.03 = 15,500.28/x
  3. Step 3: Cross multiply
    27,437.25x = 37,865.03 × 15,500.28
  4. Step 4: Simplify right side
    27,437.25x = 586,918,567.21
  5. Step 5: Solve for x
    x = 586,918,567.21/27,437.25
  6. Step 6: Final answer
    x = 21,391.30

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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.