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Finding the Fourth Proportional to 18,393,044.40, 27,589,566.60 and 18,393,044.40

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Solution

The fourth proportional to 18,393,044.40, 27,589,566.60 and 18,393,044.40 is: 27,589,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393,044.40 : 27,589,566.60 = 18,393,044.40 : x
  2. Step 2: Convert to fraction form
    18,393,044.40/27,589,566.60 = 18,393,044.40/x
  3. Step 3: Cross multiply
    18,393,044.40x = 27,589,566.60 × 18,393,044.40
  4. Step 4: Simplify right side
    18,393,044.40x = 507,456,123,450,557
  5. Step 5: Solve for x
    x = 507,456,123,450,557/18,393,044.40
  6. Step 6: Final answer
    x = 27,589,566.60

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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.