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Finding the Fourth Proportional to 1,888.93, 2,830.15 and 1,500.13

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Solution

The fourth proportional to 1,888.93, 2,830.15 and 1,500.13 is: 2,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.93 : 2,830.15 = 1,500.13 : x
  2. Step 2: Convert to fraction form
    1,888.93/2,830.15 = 1,500.13/x
  3. Step 3: Cross multiply
    1,888.93x = 2,830.15 × 1,500.13
  4. Step 4: Simplify right side
    1,888.93x = 4,245,592.92
  5. Step 5: Solve for x
    x = 4,245,592.92/1,888.93
  6. Step 6: Final answer
    x = 2,247.62

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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.