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Finding the Fourth Proportional to 22,465.88, 33,699.61 and 8,424.48

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Solution

The fourth proportional to 22,465.88, 33,699.61 and 8,424.48 is: 12,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,465.88 : 33,699.61 = 8,424.48 : x
  2. Step 2: Convert to fraction form
    22,465.88/33,699.61 = 8,424.48/x
  3. Step 3: Cross multiply
    22,465.88x = 33,699.61 × 8,424.48
  4. Step 4: Simplify right side
    22,465.88x = 283,901,690.45
  5. Step 5: Solve for x
    x = 283,901,690.45/22,465.88
  6. Step 6: Final answer
    x = 12,637.02

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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.