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Finding the Fourth Proportional to 40,055.40, 60,212.70 and 37,722.60

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Solution

The fourth proportional to 40,055.40, 60,212.70 and 37,722.60 is: 56,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,055.40 : 60,212.70 = 37,722.60 : x
  2. Step 2: Convert to fraction form
    40,055.40/60,212.70 = 37,722.60/x
  3. Step 3: Cross multiply
    40,055.40x = 60,212.70 × 37,722.60
  4. Step 4: Simplify right side
    40,055.40x = 2,271,379,597.02
  5. Step 5: Solve for x
    x = 2,271,379,597.02/40,055.40
  6. Step 6: Final answer
    x = 56,705.95

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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.