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Finding the Fourth Proportional to 1,006.23, 1,507.26 and 746.52

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Solution

The fourth proportional to 1,006.23, 1,507.26 and 746.52 is: 1,118.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006.23 : 1,507.26 = 746.52 : x
  2. Step 2: Convert to fraction form
    1,006.23/1,507.26 = 746.52/x
  3. Step 3: Cross multiply
    1,006.23x = 1,507.26 × 746.52
  4. Step 4: Simplify right side
    1,006.23x = 1,125,199.02
  5. Step 5: Solve for x
    x = 1,125,199.02/1,006.23
  6. Step 6: Final answer
    x = 1,118.24

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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.