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Finding the Fourth Proportional to 22,878.40, 34,324.08 and 13,526.68

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Solution

The fourth proportional to 22,878.40, 34,324.08 and 13,526.68 is: 20,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,878.40 : 34,324.08 = 13,526.68 : x
  2. Step 2: Convert to fraction form
    22,878.40/34,324.08 = 13,526.68/x
  3. Step 3: Cross multiply
    22,878.40x = 34,324.08 × 13,526.68
  4. Step 4: Simplify right side
    22,878.40x = 464,290,846.45
  5. Step 5: Solve for x
    x = 464,290,846.45/22,878.40
  6. Step 6: Final answer
    x = 20,293.85

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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.