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Finding the Fourth Proportional to 35,671.68, 49,228.68 and 21,524.28

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Solution

The fourth proportional to 35,671.68, 49,228.68 and 21,524.28 is: 29,704.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,671.68 : 49,228.68 = 21,524.28 : x
  2. Step 2: Convert to fraction form
    35,671.68/49,228.68 = 21,524.28/x
  3. Step 3: Cross multiply
    35,671.68x = 49,228.68 × 21,524.28
  4. Step 4: Simplify right side
    35,671.68x = 1,059,611,892.35
  5. Step 5: Solve for x
    x = 1,059,611,892.35/35,671.68
  6. Step 6: Final answer
    x = 29,704.57

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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.