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Finding the Fourth Proportional to 22,041.75, 30,417.52 and 11,970.12

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Solution

The fourth proportional to 22,041.75, 30,417.52 and 11,970.12 is: 16,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,041.75 : 30,417.52 = 11,970.12 : x
  2. Step 2: Convert to fraction form
    22,041.75/30,417.52 = 11,970.12/x
  3. Step 3: Cross multiply
    22,041.75x = 30,417.52 × 11,970.12
  4. Step 4: Simplify right side
    22,041.75x = 364,101,258.53
  5. Step 5: Solve for x
    x = 364,101,258.53/22,041.75
  6. Step 6: Final answer
    x = 16,518.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.