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Finding the Fourth Proportional to 6,235.56, 8,602.86 and 4,115.07

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Solution

The fourth proportional to 6,235.56, 8,602.86 and 4,115.07 is: 5,677.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,235.56 : 8,602.86 = 4,115.07 : x
  2. Step 2: Convert to fraction form
    6,235.56/8,602.86 = 4,115.07/x
  3. Step 3: Cross multiply
    6,235.56x = 8,602.86 × 4,115.07
  4. Step 4: Simplify right side
    6,235.56x = 35,401,371.10
  5. Step 5: Solve for x
    x = 35,401,371.10/6,235.56
  6. Step 6: Final answer
    x = 5,677.34

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.