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Finding the Fourth Proportional to 35,658.62, 49,193.44 and 21,503.60

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Solution

The fourth proportional to 35,658.62, 49,193.44 and 21,503.60 is: 29,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,658.62 : 49,193.44 = 21,503.60 : x
  2. Step 2: Convert to fraction form
    35,658.62/49,193.44 = 21,503.60/x
  3. Step 3: Cross multiply
    35,658.62x = 49,193.44 × 21,503.60
  4. Step 4: Simplify right side
    35,658.62x = 1,057,836,056.38
  5. Step 5: Solve for x
    x = 1,057,836,056.38/35,658.62
  6. Step 6: Final answer
    x = 29,665.65

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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.