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Finding the Fourth Proportional to 18,045.63, 27,070.98 and 5,566.66

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Solution

The fourth proportional to 18,045.63, 27,070.98 and 5,566.66 is: 8,350.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045.63 : 27,070.98 = 5,566.66 : x
  2. Step 2: Convert to fraction form
    18,045.63/27,070.98 = 5,566.66/x
  3. Step 3: Cross multiply
    18,045.63x = 27,070.98 × 5,566.66
  4. Step 4: Simplify right side
    18,045.63x = 150,694,941.53
  5. Step 5: Solve for x
    x = 150,694,941.53/18,045.63
  6. Step 6: Final answer
    x = 8,350.77

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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.