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Finding the Fourth Proportional to 17,390.31, 26,050.68 and 8,017.51

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Solution

The fourth proportional to 17,390.31, 26,050.68 and 8,017.51 is: 12,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.31 : 26,050.68 = 8,017.51 : x
  2. Step 2: Convert to fraction form
    17,390.31/26,050.68 = 8,017.51/x
  3. Step 3: Cross multiply
    17,390.31x = 26,050.68 × 8,017.51
  4. Step 4: Simplify right side
    17,390.31x = 208,861,587.41
  5. Step 5: Solve for x
    x = 208,861,587.41/17,390.31
  6. Step 6: Final answer
    x = 12,010.23

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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.