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Finding the Fourth Proportional to 10,468.51, 15,699.39 and 3,446.85

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Solution

The fourth proportional to 10,468.51, 15,699.39 and 3,446.85 is: 5,169.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,468.51 : 15,699.39 = 3,446.85 : x
  2. Step 2: Convert to fraction form
    10,468.51/15,699.39 = 3,446.85/x
  3. Step 3: Cross multiply
    10,468.51x = 15,699.39 × 3,446.85
  4. Step 4: Simplify right side
    10,468.51x = 54,113,490.29
  5. Step 5: Solve for x
    x = 54,113,490.29/10,468.51
  6. Step 6: Final answer
    x = 5,169.17

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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.