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Finding the Fourth Proportional to 11,599.92, 17,384.52 and 5,430.96

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Solution

The fourth proportional to 11,599.92, 17,384.52 and 5,430.96 is: 8,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,599.92 : 17,384.52 = 5,430.96 : x
  2. Step 2: Convert to fraction form
    11,599.92/17,384.52 = 5,430.96/x
  3. Step 3: Cross multiply
    11,599.92x = 17,384.52 × 5,430.96
  4. Step 4: Simplify right side
    11,599.92x = 94,414,632.74
  5. Step 5: Solve for x
    x = 94,414,632.74/11,599.92
  6. Step 6: Final answer
    x = 8,139.25

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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.