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Finding the Fourth Proportional to 1,934.69, 2,900.23 and 1,009.13

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Solution

The fourth proportional to 1,934.69, 2,900.23 and 1,009.13 is: 1,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.69 : 2,900.23 = 1,009.13 : x
  2. Step 2: Convert to fraction form
    1,934.69/2,900.23 = 1,009.13/x
  3. Step 3: Cross multiply
    1,934.69x = 2,900.23 × 1,009.13
  4. Step 4: Simplify right side
    1,934.69x = 2,926,719.38
  5. Step 5: Solve for x
    x = 2,926,719.38/1,934.69
  6. Step 6: Final answer
    x = 1,512.76

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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.