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Finding the Fourth Proportional to 25,507.99, 35,218.18 and 22,810.82

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Solution

The fourth proportional to 25,507.99, 35,218.18 and 22,810.82 is: 31,494.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,507.99 : 35,218.18 = 22,810.82 : x
  2. Step 2: Convert to fraction form
    25,507.99/35,218.18 = 22,810.82/x
  3. Step 3: Cross multiply
    25,507.99x = 35,218.18 × 22,810.82
  4. Step 4: Simplify right side
    25,507.99x = 803,355,463.66
  5. Step 5: Solve for x
    x = 803,355,463.66/25,507.99
  6. Step 6: Final answer
    x = 31,494.27

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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.