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Finding the Fourth Proportional to 2,803.58, 4,206.60 and 1,160.50

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Solution

The fourth proportional to 2,803.58, 4,206.60 and 1,160.50 is: 1,741.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.58 : 4,206.60 = 1,160.50 : x
  2. Step 2: Convert to fraction form
    2,803.58/4,206.60 = 1,160.50/x
  3. Step 3: Cross multiply
    2,803.58x = 4,206.60 × 1,160.50
  4. Step 4: Simplify right side
    2,803.58x = 4,881,759.30
  5. Step 5: Solve for x
    x = 4,881,759.30/2,803.58
  6. Step 6: Final answer
    x = 1,741.26

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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.