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Finding the Fourth Proportional to 1,564.54, 2,346.18 and 834.01

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Solution

The fourth proportional to 1,564.54, 2,346.18 and 834.01 is: 1,250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564.54 : 2,346.18 = 834.01 : x
  2. Step 2: Convert to fraction form
    1,564.54/2,346.18 = 834.01/x
  3. Step 3: Cross multiply
    1,564.54x = 2,346.18 × 834.01
  4. Step 4: Simplify right side
    1,564.54x = 1,956,737.58
  5. Step 5: Solve for x
    x = 1,956,737.58/1,564.54
  6. Step 6: Final answer
    x = 1,250.68

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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.