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Finding the Fourth Proportional to 18,068.88, 27,102.72 and 6,230.76

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Solution

The fourth proportional to 18,068.88, 27,102.72 and 6,230.76 is: 9,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,068.88 : 27,102.72 = 6,230.76 : x
  2. Step 2: Convert to fraction form
    18,068.88/27,102.72 = 6,230.76/x
  3. Step 3: Cross multiply
    18,068.88x = 27,102.72 × 6,230.76
  4. Step 4: Simplify right side
    18,068.88x = 168,870,543.67
  5. Step 5: Solve for x
    x = 168,870,543.67/18,068.88
  6. Step 6: Final answer
    x = 9,345.93

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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.