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Finding the Fourth Proportional to 12,362.47, 17,060.22 and 6,773.47

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Solution

The fourth proportional to 12,362.47, 17,060.22 and 6,773.47 is: 9,347.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.47 : 17,060.22 = 6,773.47 : x
  2. Step 2: Convert to fraction form
    12,362.47/17,060.22 = 6,773.47/x
  3. Step 3: Cross multiply
    12,362.47x = 17,060.22 × 6,773.47
  4. Step 4: Simplify right side
    12,362.47x = 115,556,888.36
  5. Step 5: Solve for x
    x = 115,556,888.36/12,362.47
  6. Step 6: Final answer
    x = 9,347.39

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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.