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Finding the Fourth Proportional to 58,970.60, 81,378.62 and 33,476.74

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Solution

The fourth proportional to 58,970.60, 81,378.62 and 33,476.74 is: 46,197.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,970.60 : 81,378.62 = 33,476.74 : x
  2. Step 2: Convert to fraction form
    58,970.60/81,378.62 = 33,476.74/x
  3. Step 3: Cross multiply
    58,970.60x = 81,378.62 × 33,476.74
  4. Step 4: Simplify right side
    58,970.60x = 2,724,290,903.30
  5. Step 5: Solve for x
    x = 2,724,290,903.30/58,970.60
  6. Step 6: Final answer
    x = 46,197.44

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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.