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Finding the Fourth Proportional to 12,461.01, 17,195.94 and 6,872.01

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Solution

The fourth proportional to 12,461.01, 17,195.94 and 6,872.01 is: 9,483.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.01 : 17,195.94 = 6,872.01 : x
  2. Step 2: Convert to fraction form
    12,461.01/17,195.94 = 6,872.01/x
  3. Step 3: Cross multiply
    12,461.01x = 17,195.94 × 6,872.01
  4. Step 4: Simplify right side
    12,461.01x = 118,170,671.64
  5. Step 5: Solve for x
    x = 118,170,671.64/12,461.01
  6. Step 6: Final answer
    x = 9,483.23

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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.