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Finding the Fourth Proportional to 55,475.45, 76,551.98 and 31,597.46

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Solution

The fourth proportional to 55,475.45, 76,551.98 and 31,597.46 is: 43,602.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,475.45 : 76,551.98 = 31,597.46 : x
  2. Step 2: Convert to fraction form
    55,475.45/76,551.98 = 31,597.46/x
  3. Step 3: Cross multiply
    55,475.45x = 76,551.98 × 31,597.46
  4. Step 4: Simplify right side
    55,475.45x = 2,418,847,585.22
  5. Step 5: Solve for x
    x = 2,418,847,585.22/55,475.45
  6. Step 6: Final answer
    x = 43,602.13

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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.