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Finding the Fourth Proportional to 57,603.88, 86,353.98 and 29,817.64

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Solution

The fourth proportional to 57,603.88, 86,353.98 and 29,817.64 is: 44,699.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,603.88 : 86,353.98 = 29,817.64 : x
  2. Step 2: Convert to fraction form
    57,603.88/86,353.98 = 29,817.64/x
  3. Step 3: Cross multiply
    57,603.88x = 86,353.98 × 29,817.64
  4. Step 4: Simplify right side
    57,603.88x = 2,574,871,888.21
  5. Step 5: Solve for x
    x = 2,574,871,888.21/57,603.88
  6. Step 6: Final answer
    x = 44,699.63

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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.