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Finding the Fourth Proportional to 16,707.74, 25,039.74 and 6,835.76

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Solution

The fourth proportional to 16,707.74, 25,039.74 and 6,835.76 is: 10,244.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,707.74 : 25,039.74 = 6,835.76 : x
  2. Step 2: Convert to fraction form
    16,707.74/25,039.74 = 6,835.76/x
  3. Step 3: Cross multiply
    16,707.74x = 25,039.74 × 6,835.76
  4. Step 4: Simplify right side
    16,707.74x = 171,165,653.10
  5. Step 5: Solve for x
    x = 171,165,653.10/16,707.74
  6. Step 6: Final answer
    x = 10,244.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.