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Finding the Fourth Proportional to 6,468.38, 9,702.56 and 1,851.38

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Solution

The fourth proportional to 6,468.38, 9,702.56 and 1,851.38 is: 2,777.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,468.38 : 9,702.56 = 1,851.38 : x
  2. Step 2: Convert to fraction form
    6,468.38/9,702.56 = 1,851.38/x
  3. Step 3: Cross multiply
    6,468.38x = 9,702.56 × 1,851.38
  4. Step 4: Simplify right side
    6,468.38x = 17,963,125.53
  5. Step 5: Solve for x
    x = 17,963,125.53/6,468.38
  6. Step 6: Final answer
    x = 2,777.07

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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.