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Finding the Fourth Proportional to 3,547.03, 5,320.59 and 1,355.98

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Solution

The fourth proportional to 3,547.03, 5,320.59 and 1,355.98 is: 2,033.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.03 : 5,320.59 = 1,355.98 : x
  2. Step 2: Convert to fraction form
    3,547.03/5,320.59 = 1,355.98/x
  3. Step 3: Cross multiply
    3,547.03x = 5,320.59 × 1,355.98
  4. Step 4: Simplify right side
    3,547.03x = 7,214,613.63
  5. Step 5: Solve for x
    x = 7,214,613.63/3,547.03
  6. Step 6: Final answer
    x = 2,033.99

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