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Finding the Fourth Proportional to 22,475.01, 31,001.10 and 13,525.32

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Solution

The fourth proportional to 22,475.01, 31,001.10 and 13,525.32 is: 18,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,475.01 : 31,001.10 = 13,525.32 : x
  2. Step 2: Convert to fraction form
    22,475.01/31,001.10 = 13,525.32/x
  3. Step 3: Cross multiply
    22,475.01x = 31,001.10 × 13,525.32
  4. Step 4: Simplify right side
    22,475.01x = 419,299,797.85
  5. Step 5: Solve for x
    x = 419,299,797.85/22,475.01
  6. Step 6: Final answer
    x = 18,656.27

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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.