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Finding the Fourth Proportional to 1,501.12, 2,250.14 and 576.44

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Solution

The fourth proportional to 1,501.12, 2,250.14 and 576.44 is: 864.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.12 : 2,250.14 = 576.44 : x
  2. Step 2: Convert to fraction form
    1,501.12/2,250.14 = 576.44/x
  3. Step 3: Cross multiply
    1,501.12x = 2,250.14 × 576.44
  4. Step 4: Simplify right side
    1,501.12x = 1,297,056.57
  5. Step 5: Solve for x
    x = 1,297,056.57/1,501.12
  6. Step 6: Final answer
    x = 864.06

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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.