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Finding the Fourth Proportional to 9,323.76, 13,988.07 and 5,649.60

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Solution

The fourth proportional to 9,323.76, 13,988.07 and 5,649.60 is: 8,475.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.76 : 13,988.07 = 5,649.60 : x
  2. Step 2: Convert to fraction form
    9,323.76/13,988.07 = 5,649.60/x
  3. Step 3: Cross multiply
    9,323.76x = 13,988.07 × 5,649.60
  4. Step 4: Simplify right side
    9,323.76x = 79,026,958.15
  5. Step 5: Solve for x
    x = 79,026,958.15/9,323.76
  6. Step 6: Final answer
    x = 8,475.87

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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.