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Finding the Fourth Proportional to 26,216.40, 39,328.20 and 9,572.40

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Solution

The fourth proportional to 26,216.40, 39,328.20 and 9,572.40 is: 14,359.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,216.40 : 39,328.20 = 9,572.40 : x
  2. Step 2: Convert to fraction form
    26,216.40/39,328.20 = 9,572.40/x
  3. Step 3: Cross multiply
    26,216.40x = 39,328.20 × 9,572.40
  4. Step 4: Simplify right side
    26,216.40x = 376,465,261.68
  5. Step 5: Solve for x
    x = 376,465,261.68/26,216.40
  6. Step 6: Final answer
    x = 14,359.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.