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Finding the Fourth Proportional to 56,604, 78,115.62 and 33,946.68

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Solution

The fourth proportional to 56,604, 78,115.62 and 33,946.68 is: 46,847.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,604 : 78,115.62 = 33,946.68 : x
  2. Step 2: Convert to fraction form
    56,604/78,115.62 = 33,946.68/x
  3. Step 3: Cross multiply
    56,604x = 78,115.62 × 33,946.68
  4. Step 4: Simplify right side
    56,604x = 2,651,765,955.14
  5. Step 5: Solve for x
    x = 2,651,765,955.14/56,604
  6. Step 6: Final answer
    x = 46,847.68

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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.