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Finding the Fourth Proportional to 58,463.50, 80,679.54 and 31,606.03

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Solution

The fourth proportional to 58,463.50, 80,679.54 and 31,606.03 is: 43,616.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,463.50 : 80,679.54 = 31,606.03 : x
  2. Step 2: Convert to fraction form
    58,463.50/80,679.54 = 31,606.03/x
  3. Step 3: Cross multiply
    58,463.50x = 80,679.54 × 31,606.03
  4. Step 4: Simplify right side
    58,463.50x = 2,549,959,961.63
  5. Step 5: Solve for x
    x = 2,549,959,961.63/58,463.50
  6. Step 6: Final answer
    x = 43,616.27

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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.