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Finding the Fourth Proportional to 18,359.58, 27,539.46 and 4,508.58

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Solution

The fourth proportional to 18,359.58, 27,539.46 and 4,508.58 is: 6,762.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.58 : 27,539.46 = 4,508.58 : x
  2. Step 2: Convert to fraction form
    18,359.58/27,539.46 = 4,508.58/x
  3. Step 3: Cross multiply
    18,359.58x = 27,539.46 × 4,508.58
  4. Step 4: Simplify right side
    18,359.58x = 124,163,858.57
  5. Step 5: Solve for x
    x = 124,163,858.57/18,359.58
  6. Step 6: Final answer
    x = 6,762.89

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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.