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Finding the Fourth Proportional to 7,489.74, 10,337.64 and 4,504.98

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Solution

The fourth proportional to 7,489.74, 10,337.64 and 4,504.98 is: 6,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.74 : 10,337.64 = 4,504.98 : x
  2. Step 2: Convert to fraction form
    7,489.74/10,337.64 = 4,504.98/x
  3. Step 3: Cross multiply
    7,489.74x = 10,337.64 × 4,504.98
  4. Step 4: Simplify right side
    7,489.74x = 46,570,861.45
  5. Step 5: Solve for x
    x = 46,570,861.45/7,489.74
  6. Step 6: Final answer
    x = 6,217.95

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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.