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Finding the Fourth Proportional to 9,068.62, 13,607.11 and 4,139.77

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Solution

The fourth proportional to 9,068.62, 13,607.11 and 4,139.77 is: 6,211.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,068.62 : 13,607.11 = 4,139.77 : x
  2. Step 2: Convert to fraction form
    9,068.62/13,607.11 = 4,139.77/x
  3. Step 3: Cross multiply
    9,068.62x = 13,607.11 × 4,139.77
  4. Step 4: Simplify right side
    9,068.62x = 56,330,305.76
  5. Step 5: Solve for x
    x = 56,330,305.76/9,068.62
  6. Step 6: Final answer
    x = 6,211.56

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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.