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Finding the Fourth Proportional to 8,935.76, 13,403.64 and 5,466.80

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Solution

The fourth proportional to 8,935.76, 13,403.64 and 5,466.80 is: 8,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.76 : 13,403.64 = 5,466.80 : x
  2. Step 2: Convert to fraction form
    8,935.76/13,403.64 = 5,466.80/x
  3. Step 3: Cross multiply
    8,935.76x = 13,403.64 × 5,466.80
  4. Step 4: Simplify right side
    8,935.76x = 73,275,019.15
  5. Step 5: Solve for x
    x = 73,275,019.15/8,935.76
  6. Step 6: Final answer
    x = 8,200.20

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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.