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Finding the Fourth Proportional to 11,963.22, 17,946.88 and 4,064.90

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Solution

The fourth proportional to 11,963.22, 17,946.88 and 4,064.90 is: 6,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963.22 : 17,946.88 = 4,064.90 : x
  2. Step 2: Convert to fraction form
    11,963.22/17,946.88 = 4,064.90/x
  3. Step 3: Cross multiply
    11,963.22x = 17,946.88 × 4,064.90
  4. Step 4: Simplify right side
    11,963.22x = 72,952,272.51
  5. Step 5: Solve for x
    x = 72,952,272.51/11,963.22
  6. Step 6: Final answer
    x = 6,098.05

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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.