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Finding the Fourth Proportional to 17,188.79, 25,772.94 and 5,339.01

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Solution

The fourth proportional to 17,188.79, 25,772.94 and 5,339.01 is: 8,005.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,188.79 : 25,772.94 = 5,339.01 : x
  2. Step 2: Convert to fraction form
    17,188.79/25,772.94 = 5,339.01/x
  3. Step 3: Cross multiply
    17,188.79x = 25,772.94 × 5,339.01
  4. Step 4: Simplify right side
    17,188.79x = 137,602,084.79
  5. Step 5: Solve for x
    x = 137,602,084.79/17,188.79
  6. Step 6: Final answer
    x = 8,005.34

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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.