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Finding the Fourth Proportional to 12,501, 17,201.16 and 12,070.08

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Solution

The fourth proportional to 12,501, 17,201.16 and 12,070.08 is: 16,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501 : 17,201.16 = 12,070.08 : x
  2. Step 2: Convert to fraction form
    12,501/17,201.16 = 12,070.08/x
  3. Step 3: Cross multiply
    12,501x = 17,201.16 × 12,070.08
  4. Step 4: Simplify right side
    12,501x = 207,619,377.29
  5. Step 5: Solve for x
    x = 207,619,377.29/12,501
  6. Step 6: Final answer
    x = 16,608.22

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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.