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Finding the Fourth Proportional to 2,703.47, 4,056.27 and 1,059.74

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Solution

The fourth proportional to 2,703.47, 4,056.27 and 1,059.74 is: 1,590.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.47 : 4,056.27 = 1,059.74 : x
  2. Step 2: Convert to fraction form
    2,703.47/4,056.27 = 1,059.74/x
  3. Step 3: Cross multiply
    2,703.47x = 4,056.27 × 1,059.74
  4. Step 4: Simplify right side
    2,703.47x = 4,298,591.57
  5. Step 5: Solve for x
    x = 4,298,591.57/2,703.47
  6. Step 6: Final answer
    x = 1,590.03

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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.