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Finding the Fourth Proportional to 40,263.80, 60,322.80 and 34,431.80

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Solution

The fourth proportional to 40,263.80, 60,322.80 and 34,431.80 is: 51,585.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,263.80 : 60,322.80 = 34,431.80 : x
  2. Step 2: Convert to fraction form
    40,263.80/60,322.80 = 34,431.80/x
  3. Step 3: Cross multiply
    40,263.80x = 60,322.80 × 34,431.80
  4. Step 4: Simplify right side
    40,263.80x = 2,077,022,585.04
  5. Step 5: Solve for x
    x = 2,077,022,585.04/40,263.80
  6. Step 6: Final answer
    x = 51,585.36

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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.