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Finding the Fourth Proportional to 22,776.47, 34,153.73 and 12,913.10

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Solution

The fourth proportional to 22,776.47, 34,153.73 and 12,913.10 is: 19,363.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,776.47 : 34,153.73 = 12,913.10 : x
  2. Step 2: Convert to fraction form
    22,776.47/34,153.73 = 12,913.10/x
  3. Step 3: Cross multiply
    22,776.47x = 34,153.73 × 12,913.10
  4. Step 4: Simplify right side
    22,776.47x = 441,030,295.53
  5. Step 5: Solve for x
    x = 441,030,295.53/22,776.47
  6. Step 6: Final answer
    x = 19,363.42

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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.