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Finding the Fourth Proportional to 27,401.52, 37,815.80 and 15,460.50

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Solution

The fourth proportional to 27,401.52, 37,815.80 and 15,460.50 is: 21,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,401.52 : 37,815.80 = 15,460.50 : x
  2. Step 2: Convert to fraction form
    27,401.52/37,815.80 = 15,460.50/x
  3. Step 3: Cross multiply
    27,401.52x = 37,815.80 × 15,460.50
  4. Step 4: Simplify right side
    27,401.52x = 584,651,175.90
  5. Step 5: Solve for x
    x = 584,651,175.90/27,401.52
  6. Step 6: Final answer
    x = 21,336.45

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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.