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Finding the Fourth Proportional to 52,374.80, 78,663 and 44,895.44

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Solution

The fourth proportional to 52,374.80, 78,663 and 44,895.44 is: 67,429.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,374.80 : 78,663 = 44,895.44 : x
  2. Step 2: Convert to fraction form
    52,374.80/78,663 = 44,895.44/x
  3. Step 3: Cross multiply
    52,374.80x = 78,663 × 44,895.44
  4. Step 4: Simplify right side
    52,374.80x = 3,531,609,996.72
  5. Step 5: Solve for x
    x = 3,531,609,996.72/52,374.80
  6. Step 6: Final answer
    x = 67,429.57

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1.5x scale

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.