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Finding the Fourth Proportional to 35,341.42, 48,773.84 and 20,238.82

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Solution

The fourth proportional to 35,341.42, 48,773.84 and 20,238.82 is: 27,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,341.42 : 48,773.84 = 20,238.82 : x
  2. Step 2: Convert to fraction form
    35,341.42/48,773.84 = 20,238.82/x
  3. Step 3: Cross multiply
    35,341.42x = 48,773.84 × 20,238.82
  4. Step 4: Simplify right side
    35,341.42x = 987,124,968.47
  5. Step 5: Solve for x
    x = 987,124,968.47/35,341.42
  6. Step 6: Final answer
    x = 27,931.11

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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.