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Finding the Fourth Proportional to 35,369.40, 48,800.94 and 22,779

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Solution

The fourth proportional to 35,369.40, 48,800.94 and 22,779 is: 31,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,369.40 : 48,800.94 = 22,779 : x
  2. Step 2: Convert to fraction form
    35,369.40/48,800.94 = 22,779/x
  3. Step 3: Cross multiply
    35,369.40x = 48,800.94 × 22,779
  4. Step 4: Simplify right side
    35,369.40x = 1,111,636,612.26
  5. Step 5: Solve for x
    x = 1,111,636,612.26/35,369.40
  6. Step 6: Final answer
    x = 31,429.33

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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.