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Finding the Fourth Proportional to 55,314, 76,339.08 and 34,092.72

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Solution

The fourth proportional to 55,314, 76,339.08 and 34,092.72 is: 47,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,314 : 76,339.08 = 34,092.72 : x
  2. Step 2: Convert to fraction form
    55,314/76,339.08 = 34,092.72/x
  3. Step 3: Cross multiply
    55,314x = 76,339.08 × 34,092.72
  4. Step 4: Simplify right side
    55,314x = 2,602,606,879.50
  5. Step 5: Solve for x
    x = 2,602,606,879.50/55,314
  6. Step 6: Final answer
    x = 47,051.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.