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Finding the Fourth Proportional to 35,484.02, 48,965.70 and 20,366.04

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Solution

The fourth proportional to 35,484.02, 48,965.70 and 20,366.04 is: 28,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,484.02 : 48,965.70 = 20,366.04 : x
  2. Step 2: Convert to fraction form
    35,484.02/48,965.70 = 20,366.04/x
  3. Step 3: Cross multiply
    35,484.02x = 48,965.70 × 20,366.04
  4. Step 4: Simplify right side
    35,484.02x = 997,237,404.83
  5. Step 5: Solve for x
    x = 997,237,404.83/35,484.02
  6. Step 6: Final answer
    x = 28,103.85

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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.