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Finding the Fourth Proportional to 22,607.84, 33,885.54 and 8,558.93

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Solution

The fourth proportional to 22,607.84, 33,885.54 and 8,558.93 is: 12,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,607.84 : 33,885.54 = 8,558.93 : x
  2. Step 2: Convert to fraction form
    22,607.84/33,885.54 = 8,558.93/x
  3. Step 3: Cross multiply
    22,607.84x = 33,885.54 × 8,558.93
  4. Step 4: Simplify right side
    22,607.84x = 290,024,049.59
  5. Step 5: Solve for x
    x = 290,024,049.59/22,607.84
  6. Step 6: Final answer
    x = 12,828.47

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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.