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Finding the Fourth Proportional to 6,090.72, 9,134.72 and 2,800.63

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Solution

The fourth proportional to 6,090.72, 9,134.72 and 2,800.63 is: 4,200.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.72 : 9,134.72 = 2,800.63 : x
  2. Step 2: Convert to fraction form
    6,090.72/9,134.72 = 2,800.63/x
  3. Step 3: Cross multiply
    6,090.72x = 9,134.72 × 2,800.63
  4. Step 4: Simplify right side
    6,090.72x = 25,582,970.87
  5. Step 5: Solve for x
    x = 25,582,970.87/6,090.72
  6. Step 6: Final answer
    x = 4,200.32

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Double 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.