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Finding the Fourth Proportional to 22,797.32, 31,462.63 and 13,368.92

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Solution

The fourth proportional to 22,797.32, 31,462.63 and 13,368.92 is: 18,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,797.32 : 31,462.63 = 13,368.92 : x
  2. Step 2: Convert to fraction form
    22,797.32/31,462.63 = 13,368.92/x
  3. Step 3: Cross multiply
    22,797.32x = 31,462.63 × 13,368.92
  4. Step 4: Simplify right side
    22,797.32x = 420,621,192.72
  5. Step 5: Solve for x
    x = 420,621,192.72/22,797.32
  6. Step 6: Final answer
    x = 18,450.47

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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.