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Finding the Fourth Proportional to 12,060.40, 16,642.44 and 6,754

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Solution

The fourth proportional to 12,060.40, 16,642.44 and 6,754 is: 9,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.40 : 16,642.44 = 6,754 : x
  2. Step 2: Convert to fraction form
    12,060.40/16,642.44 = 6,754/x
  3. Step 3: Cross multiply
    12,060.40x = 16,642.44 × 6,754
  4. Step 4: Simplify right side
    12,060.40x = 112,403,039.76
  5. Step 5: Solve for x
    x = 112,403,039.76/12,060.40
  6. Step 6: Final answer
    x = 9,320.01

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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.