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Finding the Fourth Proportional to 9,963.80, 14,955.48 and 7,601.84

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Solution

The fourth proportional to 9,963.80, 14,955.48 and 7,601.84 is: 11,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.80 : 14,955.48 = 7,601.84 : x
  2. Step 2: Convert to fraction form
    9,963.80/14,955.48 = 7,601.84/x
  3. Step 3: Cross multiply
    9,963.80x = 14,955.48 × 7,601.84
  4. Step 4: Simplify right side
    9,963.80x = 113,689,166.08
  5. Step 5: Solve for x
    x = 113,689,166.08/9,963.80
  6. Step 6: Final answer
    x = 11,410.22

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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.