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Finding the Fourth Proportional to 2,773.55, 4,160.50 and 1,130.06

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Solution

The fourth proportional to 2,773.55, 4,160.50 and 1,130.06 is: 1,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.55 : 4,160.50 = 1,130.06 : x
  2. Step 2: Convert to fraction form
    2,773.55/4,160.50 = 1,130.06/x
  3. Step 3: Cross multiply
    2,773.55x = 4,160.50 × 1,130.06
  4. Step 4: Simplify right side
    2,773.55x = 4,701,622.21
  5. Step 5: Solve for x
    x = 4,701,622.21/2,773.55
  6. Step 6: Final answer
    x = 1,695.16

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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.