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Finding the Fourth Proportional to 8,449.44, 12,668.76 and 4,058.16

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Solution

The fourth proportional to 8,449.44, 12,668.76 and 4,058.16 is: 6,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.44 : 12,668.76 = 4,058.16 : x
  2. Step 2: Convert to fraction form
    8,449.44/12,668.76 = 4,058.16/x
  3. Step 3: Cross multiply
    8,449.44x = 12,668.76 × 4,058.16
  4. Step 4: Simplify right side
    8,449.44x = 51,411,855.08
  5. Step 5: Solve for x
    x = 51,411,855.08/8,449.44
  6. Step 6: Final answer
    x = 6,084.65

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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.