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Finding the Fourth Proportional to 40,633.80, 60,950.70 and 40,374.60

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Solution

The fourth proportional to 40,633.80, 60,950.70 and 40,374.60 is: 60,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,633.80 : 60,950.70 = 40,374.60 : x
  2. Step 2: Convert to fraction form
    40,633.80/60,950.70 = 40,374.60/x
  3. Step 3: Cross multiply
    40,633.80x = 60,950.70 × 40,374.60
  4. Step 4: Simplify right side
    40,633.80x = 2,460,860,132.22
  5. Step 5: Solve for x
    x = 2,460,860,132.22/40,633.80
  6. Step 6: Final answer
    x = 60,561.90

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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.