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Finding the Fourth Proportional to 8,308.90, 11,466.01 and 4,723.64

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Solution

The fourth proportional to 8,308.90, 11,466.01 and 4,723.64 is: 6,518.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.90 : 11,466.01 = 4,723.64 : x
  2. Step 2: Convert to fraction form
    8,308.90/11,466.01 = 4,723.64/x
  3. Step 3: Cross multiply
    8,308.90x = 11,466.01 × 4,723.64
  4. Step 4: Simplify right side
    8,308.90x = 54,161,222.53
  5. Step 5: Solve for x
    x = 54,161,222.53/8,308.90
  6. Step 6: Final answer
    x = 6,518.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.