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Finding the Fourth Proportional to 9,797.76, 14,683.68 and 7,188.48

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Solution

The fourth proportional to 9,797.76, 14,683.68 and 7,188.48 is: 10,773.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,797.76 : 14,683.68 = 7,188.48 : x
  2. Step 2: Convert to fraction form
    9,797.76/14,683.68 = 7,188.48/x
  3. Step 3: Cross multiply
    9,797.76x = 14,683.68 × 7,188.48
  4. Step 4: Simplify right side
    9,797.76x = 105,553,340.01
  5. Step 5: Solve for x
    x = 105,553,340.01/9,797.76
  6. Step 6: Final answer
    x = 10,773.21

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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.