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Finding the Fourth Proportional to 14,549.72, 21,832.77 and 7,154.91

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Solution

The fourth proportional to 14,549.72, 21,832.77 and 7,154.91 is: 10,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.72 : 21,832.77 = 7,154.91 : x
  2. Step 2: Convert to fraction form
    14,549.72/21,832.77 = 7,154.91/x
  3. Step 3: Cross multiply
    14,549.72x = 21,832.77 × 7,154.91
  4. Step 4: Simplify right side
    14,549.72x = 156,211,504.40
  5. Step 5: Solve for x
    x = 156,211,504.40/14,549.72
  6. Step 6: Final answer
    x = 10,736.40

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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.