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Finding the Fourth Proportional to 9,058.65, 13,590.92 and 4,379.19

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Solution

The fourth proportional to 9,058.65, 13,590.92 and 4,379.19 is: 6,570.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,058.65 : 13,590.92 = 4,379.19 : x
  2. Step 2: Convert to fraction form
    9,058.65/13,590.92 = 4,379.19/x
  3. Step 3: Cross multiply
    9,058.65x = 13,590.92 × 4,379.19
  4. Step 4: Simplify right side
    9,058.65x = 59,517,220.95
  5. Step 5: Solve for x
    x = 59,517,220.95/9,058.65
  6. Step 6: Final answer
    x = 6,570.21

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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.