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Finding the Fourth Proportional to 25,508.99, 35,219.56 and 22,811.82

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Solution

The fourth proportional to 25,508.99, 35,219.56 and 22,811.82 is: 31,495.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,508.99 : 35,219.56 = 22,811.82 : x
  2. Step 2: Convert to fraction form
    25,508.99/35,219.56 = 22,811.82/x
  3. Step 3: Cross multiply
    25,508.99x = 35,219.56 × 22,811.82
  4. Step 4: Simplify right side
    25,508.99x = 803,422,263.20
  5. Step 5: Solve for x
    x = 803,422,263.20/25,508.99
  6. Step 6: Final answer
    x = 31,495.65

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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.