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Finding the Fourth Proportional to 18,368.70, 27,557.22 and 5,889.60

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Solution

The fourth proportional to 18,368.70, 27,557.22 and 5,889.60 is: 8,835.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,368.70 : 27,557.22 = 5,889.60 : x
  2. Step 2: Convert to fraction form
    18,368.70/27,557.22 = 5,889.60/x
  3. Step 3: Cross multiply
    18,368.70x = 27,557.22 × 5,889.60
  4. Step 4: Simplify right side
    18,368.70x = 162,301,002.91
  5. Step 5: Solve for x
    x = 162,301,002.91/18,368.70
  6. Step 6: Final answer
    x = 8,835.74

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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.