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Finding the Fourth Proportional to 35,472.77, 48,952.43 and 20,366.42

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Solution

The fourth proportional to 35,472.77, 48,952.43 and 20,366.42 is: 28,105.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,472.77 : 48,952.43 = 20,366.42 : x
  2. Step 2: Convert to fraction form
    35,472.77/48,952.43 = 20,366.42/x
  3. Step 3: Cross multiply
    35,472.77x = 48,952.43 × 20,366.42
  4. Step 4: Simplify right side
    35,472.77x = 996,985,402.81
  5. Step 5: Solve for x
    x = 996,985,402.81/35,472.77
  6. Step 6: Final answer
    x = 28,105.66

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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.