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Finding the Fourth Proportional to 1,560.74, 2,340.75 and 586.94

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Solution

The fourth proportional to 1,560.74, 2,340.75 and 586.94 is: 880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.74 : 2,340.75 = 586.94 : x
  2. Step 2: Convert to fraction form
    1,560.74/2,340.75 = 586.94/x
  3. Step 3: Cross multiply
    1,560.74x = 2,340.75 × 586.94
  4. Step 4: Simplify right side
    1,560.74x = 1,373,879.81
  5. Step 5: Solve for x
    x = 1,373,879.81/1,560.74
  6. Step 6: Final answer
    x = 880.27

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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.