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Finding the Fourth Proportional to 3,368.30, 4,647.71 and 1,875.88

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Solution

The fourth proportional to 3,368.30, 4,647.71 and 1,875.88 is: 2,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.30 : 4,647.71 = 1,875.88 : x
  2. Step 2: Convert to fraction form
    3,368.30/4,647.71 = 1,875.88/x
  3. Step 3: Cross multiply
    3,368.30x = 4,647.71 × 1,875.88
  4. Step 4: Simplify right side
    3,368.30x = 8,718,513.62
  5. Step 5: Solve for x
    x = 8,718,513.62/3,368.30
  6. Step 6: Final answer
    x = 2,588.40

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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.