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Finding the Fourth Proportional to 9,947.27, 14,889.02 and 6,607.85

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Solution

The fourth proportional to 9,947.27, 14,889.02 and 6,607.85 is: 9,890.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.27 : 14,889.02 = 6,607.85 : x
  2. Step 2: Convert to fraction form
    9,947.27/14,889.02 = 6,607.85/x
  3. Step 3: Cross multiply
    9,947.27x = 14,889.02 × 6,607.85
  4. Step 4: Simplify right side
    9,947.27x = 98,384,303.32
  5. Step 5: Solve for x
    x = 98,384,303.32/9,947.27
  6. Step 6: Final answer
    x = 9,890.58

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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.