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Finding the Fourth Proportional to 35,809.56, 49,416.48 and 19,893.87

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Solution

The fourth proportional to 35,809.56, 49,416.48 and 19,893.87 is: 27,453.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,809.56 : 49,416.48 = 19,893.87 : x
  2. Step 2: Convert to fraction form
    35,809.56/49,416.48 = 19,893.87/x
  3. Step 3: Cross multiply
    35,809.56x = 49,416.48 × 19,893.87
  4. Step 4: Simplify right side
    35,809.56x = 983,085,028.98
  5. Step 5: Solve for x
    x = 983,085,028.98/35,809.56
  6. Step 6: Final answer
    x = 27,453.14

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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.