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Finding the Fourth Proportional to 37,079.40, 55,619.18 and 8,999.34

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Solution

The fourth proportional to 37,079.40, 55,619.18 and 8,999.34 is: 13,499.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,079.40 : 55,619.18 = 8,999.34 : x
  2. Step 2: Convert to fraction form
    37,079.40/55,619.18 = 8,999.34/x
  3. Step 3: Cross multiply
    37,079.40x = 55,619.18 × 8,999.34
  4. Step 4: Simplify right side
    37,079.40x = 500,535,911.34
  5. Step 5: Solve for x
    x = 500,535,911.34/37,079.40
  6. Step 6: Final answer
    x = 13,499.03

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Similar ratio
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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.