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Finding the Fourth Proportional to 65,392.88, 97,950.10 and 49,421.98

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Solution

The fourth proportional to 65,392.88, 97,950.10 and 49,421.98 is: 74,027.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,392.88 : 97,950.10 = 49,421.98 : x
  2. Step 2: Convert to fraction form
    65,392.88/97,950.10 = 49,421.98/x
  3. Step 3: Cross multiply
    65,392.88x = 97,950.10 × 49,421.98
  4. Step 4: Simplify right side
    65,392.88x = 4,840,887,883.20
  5. Step 5: Solve for x
    x = 4,840,887,883.20/65,392.88
  6. Step 6: Final answer
    x = 74,027.75

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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.