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Finding the Fourth Proportional to 22,000.32, 32,971.28 and 19,064.88

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Solution

The fourth proportional to 22,000.32, 32,971.28 and 19,064.88 is: 28,572.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.32 : 32,971.28 = 19,064.88 : x
  2. Step 2: Convert to fraction form
    22,000.32/32,971.28 = 19,064.88/x
  3. Step 3: Cross multiply
    22,000.32x = 32,971.28 × 19,064.88
  4. Step 4: Simplify right side
    22,000.32x = 628,593,496.65
  5. Step 5: Solve for x
    x = 628,593,496.65/22,000.32
  6. Step 6: Final answer
    x = 28,572.02

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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.