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Finding the Fourth Proportional to 10,870.70, 16,307.44 and 3,849.08

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Solution

The fourth proportional to 10,870.70, 16,307.44 and 3,849.08 is: 5,774.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870.70 : 16,307.44 = 3,849.08 : x
  2. Step 2: Convert to fraction form
    10,870.70/16,307.44 = 3,849.08/x
  3. Step 3: Cross multiply
    10,870.70x = 16,307.44 × 3,849.08
  4. Step 4: Simplify right side
    10,870.70x = 62,768,641.16
  5. Step 5: Solve for x
    x = 62,768,641.16/10,870.70
  6. Step 6: Final answer
    x = 5,774.11

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