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Finding the Fourth Proportional to 65,334.60, 91,351.80 and 65,334.60

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Solution

The fourth proportional to 65,334.60, 91,351.80 and 65,334.60 is: 91,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,334.60 : 91,351.80 = 65,334.60 : x
  2. Step 2: Convert to fraction form
    65,334.60/91,351.80 = 65,334.60/x
  3. Step 3: Cross multiply
    65,334.60x = 91,351.80 × 65,334.60
  4. Step 4: Simplify right side
    65,334.60x = 5,968,433,312.28
  5. Step 5: Solve for x
    x = 5,968,433,312.28/65,334.60
  6. Step 6: Final answer
    x = 91,351.80

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1.5x scale

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.