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Finding the Fourth Proportional to 58,256.64, 80,386.56 and 33,105.60

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Solution

The fourth proportional to 58,256.64, 80,386.56 and 33,105.60 is: 45,681.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,256.64 : 80,386.56 = 33,105.60 : x
  2. Step 2: Convert to fraction form
    58,256.64/80,386.56 = 33,105.60/x
  3. Step 3: Cross multiply
    58,256.64x = 80,386.56 × 33,105.60
  4. Step 4: Simplify right side
    58,256.64x = 2,661,245,300.74
  5. Step 5: Solve for x
    x = 2,661,245,300.74/58,256.64
  6. Step 6: Final answer
    x = 45,681.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.