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Finding the Fourth Proportional to 57,533.90, 79,388.52 and 33,656.06

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Solution

The fourth proportional to 57,533.90, 79,388.52 and 33,656.06 is: 46,440.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,533.90 : 79,388.52 = 33,656.06 : x
  2. Step 2: Convert to fraction form
    57,533.90/79,388.52 = 33,656.06/x
  3. Step 3: Cross multiply
    57,533.90x = 79,388.52 × 33,656.06
  4. Step 4: Simplify right side
    57,533.90x = 2,671,904,792.43
  5. Step 5: Solve for x
    x = 2,671,904,792.43/57,533.90
  6. Step 6: Final answer
    x = 46,440.53

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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.