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Finding the Fourth Proportional to 61,417.53, 92,093.49 and 19,289.88

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Solution

The fourth proportional to 61,417.53, 92,093.49 and 19,289.88 is: 28,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,417.53 : 92,093.49 = 19,289.88 : x
  2. Step 2: Convert to fraction form
    61,417.53/92,093.49 = 19,289.88/x
  3. Step 3: Cross multiply
    61,417.53x = 92,093.49 × 19,289.88
  4. Step 4: Simplify right side
    61,417.53x = 1,776,472,370.88
  5. Step 5: Solve for x
    x = 1,776,472,370.88/61,417.53
  6. Step 6: Final answer
    x = 28,924.52

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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.