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Finding the Fourth Proportional to 9,276.30, 13,914.45 and 8,061.30

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Solution

The fourth proportional to 9,276.30, 13,914.45 and 8,061.30 is: 12,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.30 : 13,914.45 = 8,061.30 : x
  2. Step 2: Convert to fraction form
    9,276.30/13,914.45 = 8,061.30/x
  3. Step 3: Cross multiply
    9,276.30x = 13,914.45 × 8,061.30
  4. Step 4: Simplify right side
    9,276.30x = 112,168,555.79
  5. Step 5: Solve for x
    x = 112,168,555.79/9,276.30
  6. Step 6: Final answer
    x = 12,091.95

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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.