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Finding the Fourth Proportional to 43,752.60, 61,428.60 and 43,752.60

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Solution

The fourth proportional to 43,752.60, 61,428.60 and 43,752.60 is: 61,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,752.60 : 61,428.60 = 43,752.60 : x
  2. Step 2: Convert to fraction form
    43,752.60/61,428.60 = 43,752.60/x
  3. Step 3: Cross multiply
    43,752.60x = 61,428.60 × 43,752.60
  4. Step 4: Simplify right side
    43,752.60x = 2,687,660,964.36
  5. Step 5: Solve for x
    x = 2,687,660,964.36/43,752.60
  6. Step 6: Final answer
    x = 61,428.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.