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Finding the Fourth Proportional to 9,910.92, 14,956.32 and 9,580.44

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Solution

The fourth proportional to 9,910.92, 14,956.32 and 9,580.44 is: 14,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.92 : 14,956.32 = 9,580.44 : x
  2. Step 2: Convert to fraction form
    9,910.92/14,956.32 = 9,580.44/x
  3. Step 3: Cross multiply
    9,910.92x = 14,956.32 × 9,580.44
  4. Step 4: Simplify right side
    9,910.92x = 143,288,126.38
  5. Step 5: Solve for x
    x = 143,288,126.38/9,910.92
  6. Step 6: Final answer
    x = 14,457.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.