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Finding the Fourth Proportional to 35,635, 49,176.44 and 21,488.44

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Solution

The fourth proportional to 35,635, 49,176.44 and 21,488.44 is: 29,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,635 : 49,176.44 = 21,488.44 : x
  2. Step 2: Convert to fraction form
    35,635/49,176.44 = 21,488.44/x
  3. Step 3: Cross multiply
    35,635x = 49,176.44 × 21,488.44
  4. Step 4: Simplify right side
    35,635x = 1,056,724,980.35
  5. Step 5: Solve for x
    x = 1,056,724,980.35/35,635
  6. Step 6: Final answer
    x = 29,654.13

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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.