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Finding the Fourth Proportional to 17,358.56, 26,039.06 and 6,970.31

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Solution

The fourth proportional to 17,358.56, 26,039.06 and 6,970.31 is: 10,455.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,358.56 : 26,039.06 = 6,970.31 : x
  2. Step 2: Convert to fraction form
    17,358.56/26,039.06 = 6,970.31/x
  3. Step 3: Cross multiply
    17,358.56x = 26,039.06 × 6,970.31
  4. Step 4: Simplify right side
    17,358.56x = 181,500,402.83
  5. Step 5: Solve for x
    x = 181,500,402.83/17,358.56
  6. Step 6: Final answer
    x = 10,455.96

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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.