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Finding the Fourth Proportional to 18,837,805.95, 25,994,395.44 and 10,576,254.69

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Solution

The fourth proportional to 18,837,805.95, 25,994,395.44 and 10,576,254.69 is: 14,594,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837,805.95 : 25,994,395.44 = 10,576,254.69 : x
  2. Step 2: Convert to fraction form
    18,837,805.95/25,994,395.44 = 10,576,254.69/x
  3. Step 3: Cross multiply
    18,837,805.95x = 25,994,395.44 × 10,576,254.69
  4. Step 4: Simplify right side
    18,837,805.95x = 274,923,346,686,014.62
  5. Step 5: Solve for x
    x = 274,923,346,686,014.62/18,837,805.95
  6. Step 6: Final answer
    x = 14,594,233.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.