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Finding the Fourth Proportional to 57,303.74, 85,989.08 and 24,021.25

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Solution

The fourth proportional to 57,303.74, 85,989.08 and 24,021.25 is: 36,045.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,303.74 : 85,989.08 = 24,021.25 : x
  2. Step 2: Convert to fraction form
    57,303.74/85,989.08 = 24,021.25/x
  3. Step 3: Cross multiply
    57,303.74x = 85,989.08 × 24,021.25
  4. Step 4: Simplify right side
    57,303.74x = 2,065,565,187.95
  5. Step 5: Solve for x
    x = 2,065,565,187.95/57,303.74
  6. Step 6: Final answer
    x = 36,045.91

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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.