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Finding the Fourth Proportional to 50,482.45, 69,655.53 and 31,608.64

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Solution

The fourth proportional to 50,482.45, 69,655.53 and 31,608.64 is: 43,613.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,482.45 : 69,655.53 = 31,608.64 : x
  2. Step 2: Convert to fraction form
    50,482.45/69,655.53 = 31,608.64/x
  3. Step 3: Cross multiply
    50,482.45x = 69,655.53 × 31,608.64
  4. Step 4: Simplify right side
    50,482.45x = 2,201,716,571.78
  5. Step 5: Solve for x
    x = 2,201,716,571.78/50,482.45
  6. Step 6: Final answer
    x = 43,613.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.