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Finding the Fourth Proportional to 17,377.92, 26,068.10 and 6,989.67

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Solution

The fourth proportional to 17,377.92, 26,068.10 and 6,989.67 is: 10,484.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,377.92 : 26,068.10 = 6,989.67 : x
  2. Step 2: Convert to fraction form
    17,377.92/26,068.10 = 6,989.67/x
  3. Step 3: Cross multiply
    17,377.92x = 26,068.10 × 6,989.67
  4. Step 4: Simplify right side
    17,377.92x = 182,207,381.58
  5. Step 5: Solve for x
    x = 182,207,381.58/17,377.92
  6. Step 6: Final answer
    x = 10,484.99

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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.