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Finding the Fourth Proportional to 1,934.94, 2,899.05 and 1,009.08

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Solution

The fourth proportional to 1,934.94, 2,899.05 and 1,009.08 is: 1,511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.94 : 2,899.05 = 1,009.08 : x
  2. Step 2: Convert to fraction form
    1,934.94/2,899.05 = 1,009.08/x
  3. Step 3: Cross multiply
    1,934.94x = 2,899.05 × 1,009.08
  4. Step 4: Simplify right side
    1,934.94x = 2,925,373.37
  5. Step 5: Solve for x
    x = 2,925,373.37/1,934.94
  6. Step 6: Final answer
    x = 1,511.87

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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.