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Finding the Fourth Proportional to 22,281, 33,395.58 and 9,117.44

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Solution

The fourth proportional to 22,281, 33,395.58 and 9,117.44 is: 13,665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,281 : 33,395.58 = 9,117.44 : x
  2. Step 2: Convert to fraction form
    22,281/33,395.58 = 9,117.44/x
  3. Step 3: Cross multiply
    22,281x = 33,395.58 × 9,117.44
  4. Step 4: Simplify right side
    22,281x = 304,482,196.92
  5. Step 5: Solve for x
    x = 304,482,196.92/22,281
  6. Step 6: Final answer
    x = 13,665.55

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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.