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Finding the Fourth Proportional to 22,603.72, 33,900.95 and 8,558.90

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Solution

The fourth proportional to 22,603.72, 33,900.95 and 8,558.90 is: 12,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,603.72 : 33,900.95 = 8,558.90 : x
  2. Step 2: Convert to fraction form
    22,603.72/33,900.95 = 8,558.90/x
  3. Step 3: Cross multiply
    22,603.72x = 33,900.95 × 8,558.90
  4. Step 4: Simplify right side
    22,603.72x = 290,154,867.18
  5. Step 5: Solve for x
    x = 290,154,867.18/22,603.72
  6. Step 6: Final answer
    x = 12,836.60

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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.