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Finding the Fourth Proportional to 19,359.54, 29,036.57 and 6,210.20

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Solution

The fourth proportional to 19,359.54, 29,036.57 and 6,210.20 is: 9,314.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.54 : 29,036.57 = 6,210.20 : x
  2. Step 2: Convert to fraction form
    19,359.54/29,036.57 = 6,210.20/x
  3. Step 3: Cross multiply
    19,359.54x = 29,036.57 × 6,210.20
  4. Step 4: Simplify right side
    19,359.54x = 180,322,948.55
  5. Step 5: Solve for x
    x = 180,322,948.55/19,359.54
  6. Step 6: Final answer
    x = 9,314.42

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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.