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Finding the Fourth Proportional to 18,303.96, 27,456.93 and 5,824.98

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Solution

The fourth proportional to 18,303.96, 27,456.93 and 5,824.98 is: 8,737.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.96 : 27,456.93 = 5,824.98 : x
  2. Step 2: Convert to fraction form
    18,303.96/27,456.93 = 5,824.98/x
  3. Step 3: Cross multiply
    18,303.96x = 27,456.93 × 5,824.98
  4. Step 4: Simplify right side
    18,303.96x = 159,936,068.11
  5. Step 5: Solve for x
    x = 159,936,068.11/18,303.96
  6. Step 6: Final answer
    x = 8,737.79

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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.