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Finding the Fourth Proportional to 50,703.60, 76,048.20 and 17,425.20

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Solution

The fourth proportional to 50,703.60, 76,048.20 and 17,425.20 is: 26,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,703.60 : 76,048.20 = 17,425.20 : x
  2. Step 2: Convert to fraction form
    50,703.60/76,048.20 = 17,425.20/x
  3. Step 3: Cross multiply
    50,703.60x = 76,048.20 × 17,425.20
  4. Step 4: Simplify right side
    50,703.60x = 1,325,155,094.64
  5. Step 5: Solve for x
    x = 1,325,155,094.64/50,703.60
  6. Step 6: Final answer
    x = 26,135.33

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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.