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Finding the Fourth Proportional to 61,969.70, 92,954.55 and 56,429.30

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Solution

The fourth proportional to 61,969.70, 92,954.55 and 56,429.30 is: 84,643.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,969.70 : 92,954.55 = 56,429.30 : x
  2. Step 2: Convert to fraction form
    61,969.70/92,954.55 = 56,429.30/x
  3. Step 3: Cross multiply
    61,969.70x = 92,954.55 × 56,429.30
  4. Step 4: Simplify right side
    61,969.70x = 5,245,360,188.32
  5. Step 5: Solve for x
    x = 5,245,360,188.32/61,969.70
  6. Step 6: Final answer
    x = 84,643.95

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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.