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Finding the Fourth Proportional to 35,008.87, 48,310.32 and 19,899.43

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Solution

The fourth proportional to 35,008.87, 48,310.32 and 19,899.43 is: 27,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,008.87 : 48,310.32 = 19,899.43 : x
  2. Step 2: Convert to fraction form
    35,008.87/48,310.32 = 19,899.43/x
  3. Step 3: Cross multiply
    35,008.87x = 48,310.32 × 19,899.43
  4. Step 4: Simplify right side
    35,008.87x = 961,347,831.12
  5. Step 5: Solve for x
    x = 961,347,831.12/35,008.87
  6. Step 6: Final answer
    x = 27,460.12

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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.