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Finding the Fourth Proportional to 30,322.32, 41,841.96 and 22,368.96

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Solution

The fourth proportional to 30,322.32, 41,841.96 and 22,368.96 is: 30,867.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,322.32 : 41,841.96 = 22,368.96 : x
  2. Step 2: Convert to fraction form
    30,322.32/41,841.96 = 22,368.96/x
  3. Step 3: Cross multiply
    30,322.32x = 41,841.96 × 22,368.96
  4. Step 4: Simplify right side
    30,322.32x = 935,961,129.56
  5. Step 5: Solve for x
    x = 935,961,129.56/30,322.32
  6. Step 6: Final answer
    x = 30,867.07

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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.