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Finding the Fourth Proportional to 25,398.50, 35,030.68 and 22,249.22

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Solution

The fourth proportional to 25,398.50, 35,030.68 and 22,249.22 is: 30,687.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,398.50 : 35,030.68 = 22,249.22 : x
  2. Step 2: Convert to fraction form
    25,398.50/35,030.68 = 22,249.22/x
  3. Step 3: Cross multiply
    25,398.50x = 35,030.68 × 22,249.22
  4. Step 4: Simplify right side
    25,398.50x = 779,405,075.29
  5. Step 5: Solve for x
    x = 779,405,075.29/25,398.50
  6. Step 6: Final answer
    x = 30,687.06

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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.