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Finding the Fourth Proportional to 15,265.74, 22,897.86 and 8,944.20

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Solution

The fourth proportional to 15,265.74, 22,897.86 and 8,944.20 is: 13,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,265.74 : 22,897.86 = 8,944.20 : x
  2. Step 2: Convert to fraction form
    15,265.74/22,897.86 = 8,944.20/x
  3. Step 3: Cross multiply
    15,265.74x = 22,897.86 × 8,944.20
  4. Step 4: Simplify right side
    15,265.74x = 204,803,039.41
  5. Step 5: Solve for x
    x = 204,803,039.41/15,265.74
  6. Step 6: Final answer
    x = 13,415.86

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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.