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Finding the Fourth Proportional to 70,377.87, 105,554.19 and 34,827.75

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Solution

The fourth proportional to 70,377.87, 105,554.19 and 34,827.75 is: 52,235.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,377.87 : 105,554.19 = 34,827.75 : x
  2. Step 2: Convert to fraction form
    70,377.87/105,554.19 = 34,827.75/x
  3. Step 3: Cross multiply
    70,377.87x = 105,554.19 × 34,827.75
  4. Step 4: Simplify right side
    70,377.87x = 3,676,214,940.77
  5. Step 5: Solve for x
    x = 3,676,214,940.77/70,377.87
  6. Step 6: Final answer
    x = 52,235.38

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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.