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Finding the Fourth Proportional to 17,648.60, 26,483.87 and 10,998.15

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Solution

The fourth proportional to 17,648.60, 26,483.87 and 10,998.15 is: 16,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,648.60 : 26,483.87 = 10,998.15 : x
  2. Step 2: Convert to fraction form
    17,648.60/26,483.87 = 10,998.15/x
  3. Step 3: Cross multiply
    17,648.60x = 26,483.87 × 10,998.15
  4. Step 4: Simplify right side
    17,648.60x = 291,273,574.84
  5. Step 5: Solve for x
    x = 291,273,574.84/17,648.60
  6. Step 6: Final answer
    x = 16,504.06

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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.