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Finding the Fourth Proportional to 12,362.10, 17,060.73 and 6,985.51

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Solution

The fourth proportional to 12,362.10, 17,060.73 and 6,985.51 is: 9,640.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.10 : 17,060.73 = 6,985.51 : x
  2. Step 2: Convert to fraction form
    12,362.10/17,060.73 = 6,985.51/x
  3. Step 3: Cross multiply
    12,362.10x = 17,060.73 × 6,985.51
  4. Step 4: Simplify right side
    12,362.10x = 119,177,900.02
  5. Step 5: Solve for x
    x = 119,177,900.02/12,362.10
  6. Step 6: Final answer
    x = 9,640.59

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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.