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Finding the Fourth Proportional to 1,003.86, 1,508.63 and 593.06

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Solution

The fourth proportional to 1,003.86, 1,508.63 and 593.06 is: 891.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003.86 : 1,508.63 = 593.06 : x
  2. Step 2: Convert to fraction form
    1,003.86/1,508.63 = 593.06/x
  3. Step 3: Cross multiply
    1,003.86x = 1,508.63 × 593.06
  4. Step 4: Simplify right side
    1,003.86x = 894,697.60
  5. Step 5: Solve for x
    x = 894,697.60/1,003.86
  6. Step 6: Final answer
    x = 891.26

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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.