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Finding the Fourth Proportional to 35,484.77, 48,966.74 and 20,366.79

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Solution

The fourth proportional to 35,484.77, 48,966.74 and 20,366.79 is: 28,104.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,484.77 : 48,966.74 = 20,366.79 : x
  2. Step 2: Convert to fraction form
    35,484.77/48,966.74 = 20,366.79/x
  3. Step 3: Cross multiply
    35,484.77x = 48,966.74 × 20,366.79
  4. Step 4: Simplify right side
    35,484.77x = 997,295,101.48
  5. Step 5: Solve for x
    x = 997,295,101.48/35,484.77
  6. Step 6: Final answer
    x = 28,104.88

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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.