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Finding the Fourth Proportional to 6,468.12, 9,702.06 and 1,851.12

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Solution

The fourth proportional to 6,468.12, 9,702.06 and 1,851.12 is: 2,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,468.12 : 9,702.06 = 1,851.12 : x
  2. Step 2: Convert to fraction form
    6,468.12/9,702.06 = 1,851.12/x
  3. Step 3: Cross multiply
    6,468.12x = 9,702.06 × 1,851.12
  4. Step 4: Simplify right side
    6,468.12x = 17,959,677.31
  5. Step 5: Solve for x
    x = 17,959,677.31/6,468.12
  6. Step 6: Final answer
    x = 2,776.65

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1.5x scale

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.