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Finding the Fourth Proportional to 9,970.11, 14,955.01 and 2,573.96

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Solution

The fourth proportional to 9,970.11, 14,955.01 and 2,573.96 is: 3,860.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,970.11 : 14,955.01 = 2,573.96 : x
  2. Step 2: Convert to fraction form
    9,970.11/14,955.01 = 2,573.96/x
  3. Step 3: Cross multiply
    9,970.11x = 14,955.01 × 2,573.96
  4. Step 4: Simplify right side
    9,970.11x = 38,493,516.33
  5. Step 5: Solve for x
    x = 38,493,516.33/9,970.11
  6. Step 6: Final answer
    x = 3,860.89

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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.