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Finding the Fourth Proportional to 65,968.54, 91,036.36 and 35,754.60

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Solution

The fourth proportional to 65,968.54, 91,036.36 and 35,754.60 is: 49,341.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,968.54 : 91,036.36 = 35,754.60 : x
  2. Step 2: Convert to fraction form
    65,968.54/91,036.36 = 35,754.60/x
  3. Step 3: Cross multiply
    65,968.54x = 91,036.36 × 35,754.60
  4. Step 4: Simplify right side
    65,968.54x = 3,254,968,637.26
  5. Step 5: Solve for x
    x = 3,254,968,637.26/65,968.54
  6. Step 6: Final answer
    x = 49,341.23

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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.