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Finding the Fourth Proportional to 6,487.58, 8,952.32 and 3,654.05

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Solution

The fourth proportional to 6,487.58, 8,952.32 and 3,654.05 is: 5,042.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.58 : 8,952.32 = 3,654.05 : x
  2. Step 2: Convert to fraction form
    6,487.58/8,952.32 = 3,654.05/x
  3. Step 3: Cross multiply
    6,487.58x = 8,952.32 × 3,654.05
  4. Step 4: Simplify right side
    6,487.58x = 32,712,224.90
  5. Step 5: Solve for x
    x = 32,712,224.90/6,487.58
  6. Step 6: Final answer
    x = 5,042.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.