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Finding the Fourth Proportional to 57,355.35, 79,136.54 and 33,468.39

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Solution

The fourth proportional to 57,355.35, 79,136.54 and 33,468.39 is: 46,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,355.35 : 79,136.54 = 33,468.39 : x
  2. Step 2: Convert to fraction form
    57,355.35/79,136.54 = 33,468.39/x
  3. Step 3: Cross multiply
    57,355.35x = 79,136.54 × 33,468.39
  4. Step 4: Simplify right side
    57,355.35x = 2,648,572,416.63
  5. Step 5: Solve for x
    x = 2,648,572,416.63/57,355.35
  6. Step 6: Final answer
    x = 46,178.30

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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.