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Finding the Fourth Proportional to 9,941.87, 14,880.36 and 7,308.68

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Solution

The fourth proportional to 9,941.87, 14,880.36 and 7,308.68 is: 10,939.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,941.87 : 14,880.36 = 7,308.68 : x
  2. Step 2: Convert to fraction form
    9,941.87/14,880.36 = 7,308.68/x
  3. Step 3: Cross multiply
    9,941.87x = 14,880.36 × 7,308.68
  4. Step 4: Simplify right side
    9,941.87x = 108,755,785.12
  5. Step 5: Solve for x
    x = 108,755,785.12/9,941.87
  6. Step 6: Final answer
    x = 10,939.17

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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.