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Finding the Fourth Proportional to 22,437.15, 33,649.25 and 7,645.74

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Solution

The fourth proportional to 22,437.15, 33,649.25 and 7,645.74 is: 11,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,437.15 : 33,649.25 = 7,645.74 : x
  2. Step 2: Convert to fraction form
    22,437.15/33,649.25 = 7,645.74/x
  3. Step 3: Cross multiply
    22,437.15x = 33,649.25 × 7,645.74
  4. Step 4: Simplify right side
    22,437.15x = 257,273,378.47
  5. Step 5: Solve for x
    x = 257,273,378.47/22,437.15
  6. Step 6: Final answer
    x = 11,466.40

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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.