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Finding the Fourth Proportional to 35,901.96, 53,863.92 and 18,384.18

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Solution

The fourth proportional to 35,901.96, 53,863.92 and 18,384.18 is: 27,581.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,901.96 : 53,863.92 = 18,384.18 : x
  2. Step 2: Convert to fraction form
    35,901.96/53,863.92 = 18,384.18/x
  3. Step 3: Cross multiply
    35,901.96x = 53,863.92 × 18,384.18
  4. Step 4: Simplify right side
    35,901.96x = 990,244,000.79
  5. Step 5: Solve for x
    x = 990,244,000.79/35,901.96
  6. Step 6: Final answer
    x = 27,581.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.