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Finding the Fourth Proportional to 65,323.60, 97,839.60 and 50,415.55

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Solution

The fourth proportional to 65,323.60, 97,839.60 and 50,415.55 is: 75,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,323.60 : 97,839.60 = 50,415.55 : x
  2. Step 2: Convert to fraction form
    65,323.60/97,839.60 = 50,415.55/x
  3. Step 3: Cross multiply
    65,323.60x = 97,839.60 × 50,415.55
  4. Step 4: Simplify right side
    65,323.60x = 4,932,637,245.78
  5. Step 5: Solve for x
    x = 4,932,637,245.78/65,323.60
  6. Step 6: Final answer
    x = 75,510.80

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1.5x scale

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.