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Finding the Fourth Proportional to 35,072.69, 48,398.90 and 19,157.70

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Solution

The fourth proportional to 35,072.69, 48,398.90 and 19,157.70 is: 26,436.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,072.69 : 48,398.90 = 19,157.70 : x
  2. Step 2: Convert to fraction form
    35,072.69/48,398.90 = 19,157.70/x
  3. Step 3: Cross multiply
    35,072.69x = 48,398.90 × 19,157.70
  4. Step 4: Simplify right side
    35,072.69x = 927,211,510.74
  5. Step 5: Solve for x
    x = 927,211,510.74/35,072.69
  6. Step 6: Final answer
    x = 26,436.86

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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.