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Finding the Fourth Proportional to 22,587.48, 33,872.88 and 7,792.32

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Solution

The fourth proportional to 22,587.48, 33,872.88 and 7,792.32 is: 11,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,587.48 : 33,872.88 = 7,792.32 : x
  2. Step 2: Convert to fraction form
    22,587.48/33,872.88 = 7,792.32/x
  3. Step 3: Cross multiply
    22,587.48x = 33,872.88 × 7,792.32
  4. Step 4: Simplify right side
    22,587.48x = 263,948,320.28
  5. Step 5: Solve for x
    x = 263,948,320.28/22,587.48
  6. Step 6: Final answer
    x = 11,685.60

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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.