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Finding the Fourth Proportional to 45,710.40, 62,967.60 and 38,974.08

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Solution

The fourth proportional to 45,710.40, 62,967.60 and 38,974.08 is: 53,688.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,710.40 : 62,967.60 = 38,974.08 : x
  2. Step 2: Convert to fraction form
    45,710.40/62,967.60 = 38,974.08/x
  3. Step 3: Cross multiply
    45,710.40x = 62,967.60 × 38,974.08
  4. Step 4: Simplify right side
    45,710.40x = 2,454,104,279.81
  5. Step 5: Solve for x
    x = 2,454,104,279.81/45,710.40
  6. Step 6: Final answer
    x = 53,688.09

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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.