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Finding the Fourth Proportional to 10,054.53, 15,086.79 and 4,511.79

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Solution

The fourth proportional to 10,054.53, 15,086.79 and 4,511.79 is: 6,769.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,054.53 : 15,086.79 = 4,511.79 : x
  2. Step 2: Convert to fraction form
    10,054.53/15,086.79 = 4,511.79/x
  3. Step 3: Cross multiply
    10,054.53x = 15,086.79 × 4,511.79
  4. Step 4: Simplify right side
    10,054.53x = 68,068,428.25
  5. Step 5: Solve for x
    x = 68,068,428.25/10,054.53
  6. Step 6: Final answer
    x = 6,769.93

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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.