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Finding the Fourth Proportional to 40,293.40, 60,440.10 and 36,664.60

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Solution

The fourth proportional to 40,293.40, 60,440.10 and 36,664.60 is: 54,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,293.40 : 60,440.10 = 36,664.60 : x
  2. Step 2: Convert to fraction form
    40,293.40/60,440.10 = 36,664.60/x
  3. Step 3: Cross multiply
    40,293.40x = 60,440.10 × 36,664.60
  4. Step 4: Simplify right side
    40,293.40x = 2,216,012,090.46
  5. Step 5: Solve for x
    x = 2,216,012,090.46/40,293.40
  6. Step 6: Final answer
    x = 54,996.90

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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.