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Finding the Fourth Proportional to 1,881.22, 2,596.06 and 1,053.22

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Solution

The fourth proportional to 1,881.22, 2,596.06 and 1,053.22 is: 1,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.22 : 2,596.06 = 1,053.22 : x
  2. Step 2: Convert to fraction form
    1,881.22/2,596.06 = 1,053.22/x
  3. Step 3: Cross multiply
    1,881.22x = 2,596.06 × 1,053.22
  4. Step 4: Simplify right side
    1,881.22x = 2,734,204.07
  5. Step 5: Solve for x
    x = 2,734,204.07/1,881.22
  6. Step 6: Final answer
    x = 1,453.42

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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.