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Finding the Fourth Proportional to 6,635.58, 9,157.58 and 4,393.63

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Solution

The fourth proportional to 6,635.58, 9,157.58 and 4,393.63 is: 6,063.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.58 : 9,157.58 = 4,393.63 : x
  2. Step 2: Convert to fraction form
    6,635.58/9,157.58 = 4,393.63/x
  3. Step 3: Cross multiply
    6,635.58x = 9,157.58 × 4,393.63
  4. Step 4: Simplify right side
    6,635.58x = 40,235,018.22
  5. Step 5: Solve for x
    x = 40,235,018.22/6,635.58
  6. Step 6: Final answer
    x = 6,063.53

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Half scale
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Double scale
Find fourth proportional to 6,636.58, 9,158.96 and 4,394.63
Similar ratio
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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.