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Finding the Fourth Proportional to 9,372.65, 14,058.99 and 2,798.32

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Solution

The fourth proportional to 9,372.65, 14,058.99 and 2,798.32 is: 4,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.65 : 14,058.99 = 2,798.32 : x
  2. Step 2: Convert to fraction form
    9,372.65/14,058.99 = 2,798.32/x
  3. Step 3: Cross multiply
    9,372.65x = 14,058.99 × 2,798.32
  4. Step 4: Simplify right side
    9,372.65x = 39,341,517.75
  5. Step 5: Solve for x
    x = 39,341,517.75/9,372.65
  6. Step 6: Final answer
    x = 4,197.48

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Double scale
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Similar ratio
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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.