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Finding the Fourth Proportional to 4,892.42, 6,751.52 and 2,654.28

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Solution

The fourth proportional to 4,892.42, 6,751.52 and 2,654.28 is: 3,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.42 : 6,751.52 = 2,654.28 : x
  2. Step 2: Convert to fraction form
    4,892.42/6,751.52 = 2,654.28/x
  3. Step 3: Cross multiply
    4,892.42x = 6,751.52 × 2,654.28
  4. Step 4: Simplify right side
    4,892.42x = 17,920,424.51
  5. Step 5: Solve for x
    x = 17,920,424.51/4,892.42
  6. Step 6: Final answer
    x = 3,662.90

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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.