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Finding the Fourth Proportional to 55,265.99, 76,264.62 and 31,392.32

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Solution

The fourth proportional to 55,265.99, 76,264.62 and 31,392.32 is: 43,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,265.99 : 76,264.62 = 31,392.32 : x
  2. Step 2: Convert to fraction form
    55,265.99/76,264.62 = 31,392.32/x
  3. Step 3: Cross multiply
    55,265.99x = 76,264.62 × 31,392.32
  4. Step 4: Simplify right side
    55,265.99x = 2,394,123,355.72
  5. Step 5: Solve for x
    x = 2,394,123,355.72/55,265.99
  6. Step 6: Final answer
    x = 43,320.01

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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.