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Finding the Fourth Proportional to 22,353.59, 30,848.50 and 12,282.68

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Solution

The fourth proportional to 22,353.59, 30,848.50 and 12,282.68 is: 16,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,353.59 : 30,848.50 = 12,282.68 : x
  2. Step 2: Convert to fraction form
    22,353.59/30,848.50 = 12,282.68/x
  3. Step 3: Cross multiply
    22,353.59x = 30,848.50 × 12,282.68
  4. Step 4: Simplify right side
    22,353.59x = 378,902,253.98
  5. Step 5: Solve for x
    x = 378,902,253.98/22,353.59
  6. Step 6: Final answer
    x = 16,950.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.