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Finding the Fourth Proportional to 9,661.16, 14,490.01 and 4,394.94

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Solution

The fourth proportional to 9,661.16, 14,490.01 and 4,394.94 is: 6,591.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661.16 : 14,490.01 = 4,394.94 : x
  2. Step 2: Convert to fraction form
    9,661.16/14,490.01 = 4,394.94/x
  3. Step 3: Cross multiply
    9,661.16x = 14,490.01 × 4,394.94
  4. Step 4: Simplify right side
    9,661.16x = 63,682,724.55
  5. Step 5: Solve for x
    x = 63,682,724.55/9,661.16
  6. Step 6: Final answer
    x = 6,591.62

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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.