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Finding the Fourth Proportional to 8,599.23, 11,869.05 and 5,243.90

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Solution

The fourth proportional to 8,599.23, 11,869.05 and 5,243.90 is: 7,237.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.23 : 11,869.05 = 5,243.90 : x
  2. Step 2: Convert to fraction form
    8,599.23/11,869.05 = 5,243.90/x
  3. Step 3: Cross multiply
    8,599.23x = 11,869.05 × 5,243.90
  4. Step 4: Simplify right side
    8,599.23x = 62,240,051.95
  5. Step 5: Solve for x
    x = 62,240,051.95/8,599.23
  6. Step 6: Final answer
    x = 7,237.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.