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Finding the Fourth Proportional to 50,762.94, 76,149.51 and 17,478.60

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Solution

The fourth proportional to 50,762.94, 76,149.51 and 17,478.60 is: 26,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,762.94 : 76,149.51 = 17,478.60 : x
  2. Step 2: Convert to fraction form
    50,762.94/76,149.51 = 17,478.60/x
  3. Step 3: Cross multiply
    50,762.94x = 76,149.51 × 17,478.60
  4. Step 4: Simplify right side
    50,762.94x = 1,330,986,825.49
  5. Step 5: Solve for x
    x = 1,330,986,825.49/50,762.94
  6. Step 6: Final answer
    x = 26,219.66

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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.