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Finding the Fourth Proportional to 50,671.95, 75,986.06 and 15,603.81

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Solution

The fourth proportional to 50,671.95, 75,986.06 and 15,603.81 is: 23,398.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,671.95 : 75,986.06 = 15,603.81 : x
  2. Step 2: Convert to fraction form
    50,671.95/75,986.06 = 15,603.81/x
  3. Step 3: Cross multiply
    50,671.95x = 75,986.06 × 15,603.81
  4. Step 4: Simplify right side
    50,671.95x = 1,185,671,964.87
  5. Step 5: Solve for x
    x = 1,185,671,964.87/50,671.95
  6. Step 6: Final answer
    x = 23,398.98

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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.