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Finding the Fourth Proportional to 1,883.39, 2,597.49 and 1,412.39

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Solution

The fourth proportional to 1,883.39, 2,597.49 and 1,412.39 is: 1,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.39 : 2,597.49 = 1,412.39 : x
  2. Step 2: Convert to fraction form
    1,883.39/2,597.49 = 1,412.39/x
  3. Step 3: Cross multiply
    1,883.39x = 2,597.49 × 1,412.39
  4. Step 4: Simplify right side
    1,883.39x = 3,668,655.91
  5. Step 5: Solve for x
    x = 3,668,655.91/1,883.39
  6. Step 6: Final answer
    x = 1,947.91

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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.