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Finding the Fourth Proportional to 9,597.40, 14,393.22 and 4,977.88

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Solution

The fourth proportional to 9,597.40, 14,393.22 and 4,977.88 is: 7,465.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,597.40 : 14,393.22 = 4,977.88 : x
  2. Step 2: Convert to fraction form
    9,597.40/14,393.22 = 4,977.88/x
  3. Step 3: Cross multiply
    9,597.40x = 14,393.22 × 4,977.88
  4. Step 4: Simplify right side
    9,597.40x = 71,647,721.97
  5. Step 5: Solve for x
    x = 71,647,721.97/9,597.40
  6. Step 6: Final answer
    x = 7,465.33

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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.