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Finding the Fourth Proportional to 17,585.21, 26,379.86 and 7,058.89

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Solution

The fourth proportional to 17,585.21, 26,379.86 and 7,058.89 is: 10,589.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,585.21 : 26,379.86 = 7,058.89 : x
  2. Step 2: Convert to fraction form
    17,585.21/26,379.86 = 7,058.89/x
  3. Step 3: Cross multiply
    17,585.21x = 26,379.86 × 7,058.89
  4. Step 4: Simplify right side
    17,585.21x = 186,212,428.71
  5. Step 5: Solve for x
    x = 186,212,428.71/17,585.21
  6. Step 6: Final answer
    x = 10,589.15

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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.