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Finding the Fourth Proportional to 35,468.72, 48,946.44 and 20,361.74

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Solution

The fourth proportional to 35,468.72, 48,946.44 and 20,361.74 is: 28,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,468.72 : 48,946.44 = 20,361.74 : x
  2. Step 2: Convert to fraction form
    35,468.72/48,946.44 = 20,361.74/x
  3. Step 3: Cross multiply
    35,468.72x = 48,946.44 × 20,361.74
  4. Step 4: Simplify right side
    35,468.72x = 996,634,685.21
  5. Step 5: Solve for x
    x = 996,634,685.21/35,468.72
  6. Step 6: Final answer
    x = 28,098.98

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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.