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Finding the Fourth Proportional to 6,602.77, 9,112.07 and 3,770.60

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Solution

The fourth proportional to 6,602.77, 9,112.07 and 3,770.60 is: 5,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.77 : 9,112.07 = 3,770.60 : x
  2. Step 2: Convert to fraction form
    6,602.77/9,112.07 = 3,770.60/x
  3. Step 3: Cross multiply
    6,602.77x = 9,112.07 × 3,770.60
  4. Step 4: Simplify right side
    6,602.77x = 34,357,952.29
  5. Step 5: Solve for x
    x = 34,357,952.29/6,602.77
  6. Step 6: Final answer
    x = 5,203.57

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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.