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Finding the Fourth Proportional to 35,353.68, 48,787.74 and 19,220.82

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Solution

The fourth proportional to 35,353.68, 48,787.74 and 19,220.82 is: 26,524.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,353.68 : 48,787.74 = 19,220.82 : x
  2. Step 2: Convert to fraction form
    35,353.68/48,787.74 = 19,220.82/x
  3. Step 3: Cross multiply
    35,353.68x = 48,787.74 × 19,220.82
  4. Step 4: Simplify right side
    35,353.68x = 937,740,368.75
  5. Step 5: Solve for x
    x = 937,740,368.75/35,353.68
  6. Step 6: Final answer
    x = 26,524.55

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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.