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Finding the Fourth Proportional to 2,700.93, 4,051.63 and 753.13

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Solution

The fourth proportional to 2,700.93, 4,051.63 and 753.13 is: 1,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.93 : 4,051.63 = 753.13 : x
  2. Step 2: Convert to fraction form
    2,700.93/4,051.63 = 753.13/x
  3. Step 3: Cross multiply
    2,700.93x = 4,051.63 × 753.13
  4. Step 4: Simplify right side
    2,700.93x = 3,051,404.10
  5. Step 5: Solve for x
    x = 3,051,404.10/2,700.93
  6. Step 6: Final answer
    x = 1,129.76

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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.