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Finding the Fourth Proportional to 8,989.56, 13,488.56 and 4,610.10

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Solution

The fourth proportional to 8,989.56, 13,488.56 and 4,610.10 is: 6,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.56 : 13,488.56 = 4,610.10 : x
  2. Step 2: Convert to fraction form
    8,989.56/13,488.56 = 4,610.10/x
  3. Step 3: Cross multiply
    8,989.56x = 13,488.56 × 4,610.10
  4. Step 4: Simplify right side
    8,989.56x = 62,183,587.41
  5. Step 5: Solve for x
    x = 62,183,587.41/8,989.56
  6. Step 6: Final answer
    x = 6,917.31

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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.