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Finding the Fourth Proportional to 1,835.24, 2,753.53 and 739.91

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Solution

The fourth proportional to 1,835.24, 2,753.53 and 739.91 is: 1,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.24 : 2,753.53 = 739.91 : x
  2. Step 2: Convert to fraction form
    1,835.24/2,753.53 = 739.91/x
  3. Step 3: Cross multiply
    1,835.24x = 2,753.53 × 739.91
  4. Step 4: Simplify right side
    1,835.24x = 2,037,369.42
  5. Step 5: Solve for x
    x = 2,037,369.42/1,835.24
  6. Step 6: Final answer
    x = 1,110.14

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1.5x scale

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.