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Finding the Fourth Proportional to 8,051.60, 12,066.60 and 4,157.12

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Solution

The fourth proportional to 8,051.60, 12,066.60 and 4,157.12 is: 6,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.60 : 12,066.60 = 4,157.12 : x
  2. Step 2: Convert to fraction form
    8,051.60/12,066.60 = 4,157.12/x
  3. Step 3: Cross multiply
    8,051.60x = 12,066.60 × 4,157.12
  4. Step 4: Simplify right side
    8,051.60x = 50,162,304.19
  5. Step 5: Solve for x
    x = 50,162,304.19/8,051.60
  6. Step 6: Final answer
    x = 6,230.10

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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.