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Finding the Fourth Proportional to 1,564.00, 2,343.56 and 589.57

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Solution

The fourth proportional to 1,564.00, 2,343.56 and 589.57 is: 883.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564.00 : 2,343.56 = 589.57 : x
  2. Step 2: Convert to fraction form
    1,564.00/2,343.56 = 589.57/x
  3. Step 3: Cross multiply
    1,564.00x = 2,343.56 × 589.57
  4. Step 4: Simplify right side
    1,564.00x = 1,381,680.95
  5. Step 5: Solve for x
    x = 1,381,680.95/1,564.00
  6. Step 6: Final answer
    x = 883.43

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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.