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Finding the Fourth Proportional to 58,977.60, 81,388.26 and 33,483.76

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Solution

The fourth proportional to 58,977.60, 81,388.26 and 33,483.76 is: 46,207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,977.60 : 81,388.26 = 33,483.76 : x
  2. Step 2: Convert to fraction form
    58,977.60/81,388.26 = 33,483.76/x
  3. Step 3: Cross multiply
    58,977.60x = 81,388.26 × 33,483.76
  4. Step 4: Simplify right side
    58,977.60x = 2,725,184,964.66
  5. Step 5: Solve for x
    x = 2,725,184,964.66/58,977.60
  6. Step 6: Final answer
    x = 46,207.12

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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.