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Finding the Fourth Proportional to 18,593,291.55, 27,889,937.33 and 18,593,291.55

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Solution

The fourth proportional to 18,593,291.55, 27,889,937.33 and 18,593,291.55 is: 27,889,937.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593,291.55 : 27,889,937.33 = 18,593,291.55 : x
  2. Step 2: Convert to fraction form
    18,593,291.55/27,889,937.33 = 18,593,291.55/x
  3. Step 3: Cross multiply
    18,593,291.55x = 27,889,937.33 × 18,593,291.55
  4. Step 4: Simplify right side
    18,593,291.55x = 518,565,735,994,952.12
  5. Step 5: Solve for x
    x = 518,565,735,994,952.12/18,593,291.55
  6. Step 6: Final answer
    x = 27,889,937.33

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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.