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Finding the Fourth Proportional to 7,505.10, 11,236.05 and 4,589.10

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Solution

The fourth proportional to 7,505.10, 11,236.05 and 4,589.10 is: 6,870.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.10 : 11,236.05 = 4,589.10 : x
  2. Step 2: Convert to fraction form
    7,505.10/11,236.05 = 4,589.10/x
  3. Step 3: Cross multiply
    7,505.10x = 11,236.05 × 4,589.10
  4. Step 4: Simplify right side
    7,505.10x = 51,563,357.06
  5. Step 5: Solve for x
    x = 51,563,357.06/7,505.10
  6. Step 6: Final answer
    x = 6,870.44

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Half scale
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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.