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Finding the Fourth Proportional to 6,606.81, 9,886.60 and 5,739.53

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Solution

The fourth proportional to 6,606.81, 9,886.60 and 5,739.53 is: 8,588.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.81 : 9,886.60 = 5,739.53 : x
  2. Step 2: Convert to fraction form
    6,606.81/9,886.60 = 5,739.53/x
  3. Step 3: Cross multiply
    6,606.81x = 9,886.60 × 5,739.53
  4. Step 4: Simplify right side
    6,606.81x = 56,744,437.30
  5. Step 5: Solve for x
    x = 56,744,437.30/6,606.81
  6. Step 6: Final answer
    x = 8,588.78

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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.