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Finding the Fourth Proportional to 8,900.58, 13,347.71 and 3,905.36

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Solution

The fourth proportional to 8,900.58, 13,347.71 and 3,905.36 is: 5,856.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.58 : 13,347.71 = 3,905.36 : x
  2. Step 2: Convert to fraction form
    8,900.58/13,347.71 = 3,905.36/x
  3. Step 3: Cross multiply
    8,900.58x = 13,347.71 × 3,905.36
  4. Step 4: Simplify right side
    8,900.58x = 52,127,610.28
  5. Step 5: Solve for x
    x = 52,127,610.28/8,900.58
  6. Step 6: Final answer
    x = 5,856.65

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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.