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Finding the Fourth Proportional to 1,641.76, 2,464.80 and 1,352.32

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Solution

The fourth proportional to 1,641.76, 2,464.80 and 1,352.32 is: 2,030.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641.76 : 2,464.80 = 1,352.32 : x
  2. Step 2: Convert to fraction form
    1,641.76/2,464.80 = 1,352.32/x
  3. Step 3: Cross multiply
    1,641.76x = 2,464.80 × 1,352.32
  4. Step 4: Simplify right side
    1,641.76x = 3,333,198.34
  5. Step 5: Solve for x
    x = 3,333,198.34/1,641.76
  6. Step 6: Final answer
    x = 2,030.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.