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Finding the Fourth Proportional to 17,388.27, 26,086.05 and 7,000.02

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Solution

The fourth proportional to 17,388.27, 26,086.05 and 7,000.02 is: 10,501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,388.27 : 26,086.05 = 7,000.02 : x
  2. Step 2: Convert to fraction form
    17,388.27/26,086.05 = 7,000.02/x
  3. Step 3: Cross multiply
    17,388.27x = 26,086.05 × 7,000.02
  4. Step 4: Simplify right side
    17,388.27x = 182,602,871.72
  5. Step 5: Solve for x
    x = 182,602,871.72/17,388.27
  6. Step 6: Final answer
    x = 10,501.50

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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.