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Finding the Fourth Proportional to 58,956, 81,360 and 33,807.84

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Solution

The fourth proportional to 58,956, 81,360 and 33,807.84 is: 46,655.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,956 : 81,360 = 33,807.84 : x
  2. Step 2: Convert to fraction form
    58,956/81,360 = 33,807.84/x
  3. Step 3: Cross multiply
    58,956x = 81,360 × 33,807.84
  4. Step 4: Simplify right side
    58,956x = 2,750,605,862.40
  5. Step 5: Solve for x
    x = 2,750,605,862.40/58,956
  6. Step 6: Final answer
    x = 46,655.23

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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.