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Finding the Fourth Proportional to 2,347.83, 3,240.23 and 1,300.23

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Solution

The fourth proportional to 2,347.83, 3,240.23 and 1,300.23 is: 1,794.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.83 : 3,240.23 = 1,300.23 : x
  2. Step 2: Convert to fraction form
    2,347.83/3,240.23 = 1,300.23/x
  3. Step 3: Cross multiply
    2,347.83x = 3,240.23 × 1,300.23
  4. Step 4: Simplify right side
    2,347.83x = 4,213,037.75
  5. Step 5: Solve for x
    x = 4,213,037.75/2,347.83
  6. Step 6: Final answer
    x = 1,794.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.