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Finding the Fourth Proportional to 37,395.63, 51,603.06 and 21,477

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Solution

The fourth proportional to 37,395.63, 51,603.06 and 21,477 is: 29,636.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,395.63 : 51,603.06 = 21,477 : x
  2. Step 2: Convert to fraction form
    37,395.63/51,603.06 = 21,477/x
  3. Step 3: Cross multiply
    37,395.63x = 51,603.06 × 21,477
  4. Step 4: Simplify right side
    37,395.63x = 1,108,278,919.62
  5. Step 5: Solve for x
    x = 1,108,278,919.62/37,395.63
  6. Step 6: Final answer
    x = 29,636.59

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1.5x scale

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.