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Finding the Fourth Proportional to 1,701.36, 2,347.72 and 993.36

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Solution

The fourth proportional to 1,701.36, 2,347.72 and 993.36 is: 1,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.36 : 2,347.72 = 993.36 : x
  2. Step 2: Convert to fraction form
    1,701.36/2,347.72 = 993.36/x
  3. Step 3: Cross multiply
    1,701.36x = 2,347.72 × 993.36
  4. Step 4: Simplify right side
    1,701.36x = 2,332,131.14
  5. Step 5: Solve for x
    x = 2,332,131.14/1,701.36
  6. Step 6: Final answer
    x = 1,370.75

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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.