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Finding the Fourth Proportional to 55,472.57, 76,552.67 and 31,598.90

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Solution

The fourth proportional to 55,472.57, 76,552.67 and 31,598.90 is: 43,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,472.57 : 76,552.67 = 31,598.90 : x
  2. Step 2: Convert to fraction form
    55,472.57/76,552.67 = 31,598.90/x
  3. Step 3: Cross multiply
    55,472.57x = 76,552.67 × 31,598.90
  4. Step 4: Simplify right side
    55,472.57x = 2,418,980,164.06
  5. Step 5: Solve for x
    x = 2,418,980,164.06/55,472.57
  6. Step 6: Final answer
    x = 43,606.78

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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.