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Finding the Fourth Proportional to 48,670.94, 72,783.99 and 35,388.56

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Solution

The fourth proportional to 48,670.94, 72,783.99 and 35,388.56 is: 52,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,670.94 : 72,783.99 = 35,388.56 : x
  2. Step 2: Convert to fraction form
    48,670.94/72,783.99 = 35,388.56/x
  3. Step 3: Cross multiply
    48,670.94x = 72,783.99 × 35,388.56
  4. Step 4: Simplify right side
    48,670.94x = 2,575,720,597.15
  5. Step 5: Solve for x
    x = 2,575,720,597.15/48,670.94
  6. Step 6: Final answer
    x = 52,921.12

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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.