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Finding the Fourth Proportional to 9,955.98, 14,934.65 and 3,715.88

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Solution

The fourth proportional to 9,955.98, 14,934.65 and 3,715.88 is: 5,574.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955.98 : 14,934.65 = 3,715.88 : x
  2. Step 2: Convert to fraction form
    9,955.98/14,934.65 = 3,715.88/x
  3. Step 3: Cross multiply
    9,955.98x = 14,934.65 × 3,715.88
  4. Step 4: Simplify right side
    9,955.98x = 55,495,273.99
  5. Step 5: Solve for x
    x = 55,495,273.99/9,955.98
  6. Step 6: Final answer
    x = 5,574.06

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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.