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Finding the Fourth Proportional to 67,374.69, 92,930.44 and 54,628.40

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Solution

The fourth proportional to 67,374.69, 92,930.44 and 54,628.40 is: 75,349.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,374.69 : 92,930.44 = 54,628.40 : x
  2. Step 2: Convert to fraction form
    67,374.69/92,930.44 = 54,628.40/x
  3. Step 3: Cross multiply
    67,374.69x = 92,930.44 × 54,628.40
  4. Step 4: Simplify right side
    67,374.69x = 5,076,641,185.31
  5. Step 5: Solve for x
    x = 5,076,641,185.31/67,374.69
  6. Step 6: Final answer
    x = 75,349.39

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1.5x scale

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.