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Finding the Fourth Proportional to 1,652.31, 2,475.09 and 922.28

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Solution

The fourth proportional to 1,652.31, 2,475.09 and 922.28 is: 1,381.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.31 : 2,475.09 = 922.28 : x
  2. Step 2: Convert to fraction form
    1,652.31/2,475.09 = 922.28/x
  3. Step 3: Cross multiply
    1,652.31x = 2,475.09 × 922.28
  4. Step 4: Simplify right side
    1,652.31x = 2,282,713.63
  5. Step 5: Solve for x
    x = 2,282,713.63/1,652.31
  6. Step 6: Final answer
    x = 1,381.53

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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.