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Finding the Fourth Proportional to 1,835.07, 2,752.59 and 739.42

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Solution

The fourth proportional to 1,835.07, 2,752.59 and 739.42 is: 1,109.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.07 : 2,752.59 = 739.42 : x
  2. Step 2: Convert to fraction form
    1,835.07/2,752.59 = 739.42/x
  3. Step 3: Cross multiply
    1,835.07x = 2,752.59 × 739.42
  4. Step 4: Simplify right side
    1,835.07x = 2,035,315.99
  5. Step 5: Solve for x
    x = 2,035,315.99/1,835.07
  6. Step 6: Final answer
    x = 1,109.12

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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.