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Finding the Fourth Proportional to 12,299.86, 16,973.79 and 6,710.86

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Solution

The fourth proportional to 12,299.86, 16,973.79 and 6,710.86 is: 9,260.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.86 : 16,973.79 = 6,710.86 : x
  2. Step 2: Convert to fraction form
    12,299.86/16,973.79 = 6,710.86/x
  3. Step 3: Cross multiply
    12,299.86x = 16,973.79 × 6,710.86
  4. Step 4: Simplify right side
    12,299.86x = 113,908,643.49
  5. Step 5: Solve for x
    x = 113,908,643.49/12,299.86
  6. Step 6: Final answer
    x = 9,260.97

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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.