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Finding the Fourth Proportional to 7,803.02, 11,702.52 and 2,255.30

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Solution

The fourth proportional to 7,803.02, 11,702.52 and 2,255.30 is: 3,382.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803.02 : 11,702.52 = 2,255.30 : x
  2. Step 2: Convert to fraction form
    7,803.02/11,702.52 = 2,255.30/x
  3. Step 3: Cross multiply
    7,803.02x = 11,702.52 × 2,255.30
  4. Step 4: Simplify right side
    7,803.02x = 26,392,693.36
  5. Step 5: Solve for x
    x = 26,392,693.36/7,803.02
  6. Step 6: Final answer
    x = 3,382.37

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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.