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Finding the Fourth Proportional to 66,048.95, 98,904.27 and 36,433.87

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Solution

The fourth proportional to 66,048.95, 98,904.27 and 36,433.87 is: 54,557.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,048.95 : 98,904.27 = 36,433.87 : x
  2. Step 2: Convert to fraction form
    66,048.95/98,904.27 = 36,433.87/x
  3. Step 3: Cross multiply
    66,048.95x = 98,904.27 × 36,433.87
  4. Step 4: Simplify right side
    66,048.95x = 3,603,465,315.62
  5. Step 5: Solve for x
    x = 3,603,465,315.62/66,048.95
  6. Step 6: Final answer
    x = 54,557.50

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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.