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Finding the Fourth Proportional to 22,874.36, 34,482.98 and 21,350.30

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Solution

The fourth proportional to 22,874.36, 34,482.98 and 21,350.30 is: 32,185.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,874.36 : 34,482.98 = 21,350.30 : x
  2. Step 2: Convert to fraction form
    22,874.36/34,482.98 = 21,350.30/x
  3. Step 3: Cross multiply
    22,874.36x = 34,482.98 × 21,350.30
  4. Step 4: Simplify right side
    22,874.36x = 736,221,848.85
  5. Step 5: Solve for x
    x = 736,221,848.85/22,874.36
  6. Step 6: Final answer
    x = 32,185.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.