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Finding the Fourth Proportional to 9,505.99, 14,260.88 and 2,931.92

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Solution

The fourth proportional to 9,505.99, 14,260.88 and 2,931.92 is: 4,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.99 : 14,260.88 = 2,931.92 : x
  2. Step 2: Convert to fraction form
    9,505.99/14,260.88 = 2,931.92/x
  3. Step 3: Cross multiply
    9,505.99x = 14,260.88 × 2,931.92
  4. Step 4: Simplify right side
    9,505.99x = 41,811,744.63
  5. Step 5: Solve for x
    x = 41,811,744.63/9,505.99
  6. Step 6: Final answer
    x = 4,398.47

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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.