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Finding the Fourth Proportional to 4,673.08, 7,008.40 and 1,385.29

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Solution

The fourth proportional to 4,673.08, 7,008.40 and 1,385.29 is: 2,077.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.08 : 7,008.40 = 1,385.29 : x
  2. Step 2: Convert to fraction form
    4,673.08/7,008.40 = 1,385.29/x
  3. Step 3: Cross multiply
    4,673.08x = 7,008.40 × 1,385.29
  4. Step 4: Simplify right side
    4,673.08x = 9,708,666.44
  5. Step 5: Solve for x
    x = 9,708,666.44/4,673.08
  6. Step 6: Final answer
    x = 2,077.57

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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.