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Finding the Fourth Proportional to 57,291.30, 85,955.18 and 36,361.71

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Solution

The fourth proportional to 57,291.30, 85,955.18 and 36,361.71 is: 54,554.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,291.30 : 85,955.18 = 36,361.71 : x
  2. Step 2: Convert to fraction form
    57,291.30/85,955.18 = 36,361.71/x
  3. Step 3: Cross multiply
    57,291.30x = 85,955.18 × 36,361.71
  4. Step 4: Simplify right side
    57,291.30x = 3,125,477,146.35
  5. Step 5: Solve for x
    x = 3,125,477,146.35/57,291.30
  6. Step 6: Final answer
    x = 54,554.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.