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Finding the Fourth Proportional to 10,398.87, 14,348.77 and 5,922.70

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Solution

The fourth proportional to 10,398.87, 14,348.77 and 5,922.70 is: 8,172.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398.87 : 14,348.77 = 5,922.70 : x
  2. Step 2: Convert to fraction form
    10,398.87/14,348.77 = 5,922.70/x
  3. Step 3: Cross multiply
    10,398.87x = 14,348.77 × 5,922.70
  4. Step 4: Simplify right side
    10,398.87x = 84,983,460.08
  5. Step 5: Solve for x
    x = 84,983,460.08/10,398.87
  6. Step 6: Final answer
    x = 8,172.37

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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.