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Finding the Fourth Proportional to 983.33, 1,475.04 and 696.05

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Solution

The fourth proportional to 983.33, 1,475.04 and 696.05 is: 1,044.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    983.33 : 1,475.04 = 696.05 : x
  2. Step 2: Convert to fraction form
    983.33/1,475.04 = 696.05/x
  3. Step 3: Cross multiply
    983.33x = 1,475.04 × 696.05
  4. Step 4: Simplify right side
    983.33x = 1,026,701.59
  5. Step 5: Solve for x
    x = 1,026,701.59/983.33
  6. Step 6: Final answer
    x = 1,044.11

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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.