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Finding the Fourth Proportional to 17,532.72, 26,298 and 6,998.40

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Solution

The fourth proportional to 17,532.72, 26,298 and 6,998.40 is: 10,497.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,532.72 : 26,298 = 6,998.40 : x
  2. Step 2: Convert to fraction form
    17,532.72/26,298 = 6,998.40/x
  3. Step 3: Cross multiply
    17,532.72x = 26,298 × 6,998.40
  4. Step 4: Simplify right side
    17,532.72x = 184,043,923.20
  5. Step 5: Solve for x
    x = 184,043,923.20/17,532.72
  6. Step 6: Final answer
    x = 10,497.17

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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.