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Finding the Fourth Proportional to 1,362.15, 2,044.14 and 529.98

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Solution

The fourth proportional to 1,362.15, 2,044.14 and 529.98 is: 795.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.15 : 2,044.14 = 529.98 : x
  2. Step 2: Convert to fraction form
    1,362.15/2,044.14 = 529.98/x
  3. Step 3: Cross multiply
    1,362.15x = 2,044.14 × 529.98
  4. Step 4: Simplify right side
    1,362.15x = 1,083,343.66
  5. Step 5: Solve for x
    x = 1,083,343.66/1,362.15
  6. Step 6: Final answer
    x = 795.32

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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.