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Finding the Fourth Proportional to 9,175.02, 12,661.26 and 4,983.26

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Solution

The fourth proportional to 9,175.02, 12,661.26 and 4,983.26 is: 6,876.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.02 : 12,661.26 = 4,983.26 : x
  2. Step 2: Convert to fraction form
    9,175.02/12,661.26 = 4,983.26/x
  3. Step 3: Cross multiply
    9,175.02x = 12,661.26 × 4,983.26
  4. Step 4: Simplify right side
    9,175.02x = 63,094,350.51
  5. Step 5: Solve for x
    x = 63,094,350.51/9,175.02
  6. Step 6: Final answer
    x = 6,876.75

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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.