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Finding the Fourth Proportional to 35,507.96, 48,994.15 and 21,361.71

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Solution

The fourth proportional to 35,507.96, 48,994.15 and 21,361.71 is: 29,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,507.96 : 48,994.15 = 21,361.71 : x
  2. Step 2: Convert to fraction form
    35,507.96/48,994.15 = 21,361.71/x
  3. Step 3: Cross multiply
    35,507.96x = 48,994.15 × 21,361.71
  4. Step 4: Simplify right side
    35,507.96x = 1,046,598,717.19
  5. Step 5: Solve for x
    x = 1,046,598,717.19/35,507.96
  6. Step 6: Final answer
    x = 29,475.05

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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.