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Finding the Fourth Proportional to 55,991.58, 77,241.16 and 35,832.30

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Solution

The fourth proportional to 55,991.58, 77,241.16 and 35,832.30 is: 49,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,991.58 : 77,241.16 = 35,832.30 : x
  2. Step 2: Convert to fraction form
    55,991.58/77,241.16 = 35,832.30/x
  3. Step 3: Cross multiply
    55,991.58x = 77,241.16 × 35,832.30
  4. Step 4: Simplify right side
    55,991.58x = 2,767,728,417.47
  5. Step 5: Solve for x
    x = 2,767,728,417.47/55,991.58
  6. Step 6: Final answer
    x = 49,431.15

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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.