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Finding the Fourth Proportional to 3,505.40, 5,256.51 and 1,006.01

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Solution

The fourth proportional to 3,505.40, 5,256.51 and 1,006.01 is: 1,508.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.40 : 5,256.51 = 1,006.01 : x
  2. Step 2: Convert to fraction form
    3,505.40/5,256.51 = 1,006.01/x
  3. Step 3: Cross multiply
    3,505.40x = 5,256.51 × 1,006.01
  4. Step 4: Simplify right side
    3,505.40x = 5,288,118.54
  5. Step 5: Solve for x
    x = 5,288,118.54/3,505.40
  6. Step 6: Final answer
    x = 1,508.57

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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.