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Finding the Fourth Proportional to 64,370.94, 96,563.70 and 57,756.48

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Solution

The fourth proportional to 64,370.94, 96,563.70 and 57,756.48 is: 86,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,370.94 : 96,563.70 = 57,756.48 : x
  2. Step 2: Convert to fraction form
    64,370.94/96,563.70 = 57,756.48/x
  3. Step 3: Cross multiply
    64,370.94x = 96,563.70 × 57,756.48
  4. Step 4: Simplify right side
    64,370.94x = 5,577,179,407.78
  5. Step 5: Solve for x
    x = 5,577,179,407.78/64,370.94
  6. Step 6: Final answer
    x = 86,641.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.