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Finding the Fourth Proportional to 1,750.96, 2,621.80 and 1,056.70

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Solution

The fourth proportional to 1,750.96, 2,621.80 and 1,056.70 is: 1,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.96 : 2,621.80 = 1,056.70 : x
  2. Step 2: Convert to fraction form
    1,750.96/2,621.80 = 1,056.70/x
  3. Step 3: Cross multiply
    1,750.96x = 2,621.80 × 1,056.70
  4. Step 4: Simplify right side
    1,750.96x = 2,770,456.06
  5. Step 5: Solve for x
    x = 2,770,456.06/1,750.96
  6. Step 6: Final answer
    x = 1,582.25

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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.