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Finding the Fourth Proportional to 1,600.48, 2,402.32 and 907.94

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Solution

The fourth proportional to 1,600.48, 2,402.32 and 907.94 is: 1,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.48 : 2,402.32 = 907.94 : x
  2. Step 2: Convert to fraction form
    1,600.48/2,402.32 = 907.94/x
  3. Step 3: Cross multiply
    1,600.48x = 2,402.32 × 907.94
  4. Step 4: Simplify right side
    1,600.48x = 2,181,162.42
  5. Step 5: Solve for x
    x = 2,181,162.42/1,600.48
  6. Step 6: Final answer
    x = 1,362.82

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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.