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Finding the Fourth Proportional to 7,605.71, 10,495.52 and 4,247.86

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Solution

The fourth proportional to 7,605.71, 10,495.52 and 4,247.86 is: 5,861.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.71 : 10,495.52 = 4,247.86 : x
  2. Step 2: Convert to fraction form
    7,605.71/10,495.52 = 4,247.86/x
  3. Step 3: Cross multiply
    7,605.71x = 10,495.52 × 4,247.86
  4. Step 4: Simplify right side
    7,605.71x = 44,583,511.61
  5. Step 5: Solve for x
    x = 44,583,511.61/7,605.71
  6. Step 6: Final answer
    x = 5,861.84

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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.