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Finding the Fourth Proportional to 58,003.50, 86,853.96 and 31,653.84

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Solution

The fourth proportional to 58,003.50, 86,853.96 and 31,653.84 is: 47,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,003.50 : 86,853.96 = 31,653.84 : x
  2. Step 2: Convert to fraction form
    58,003.50/86,853.96 = 31,653.84/x
  3. Step 3: Cross multiply
    58,003.50x = 86,853.96 × 31,653.84
  4. Step 4: Simplify right side
    58,003.50x = 2,749,261,353.21
  5. Step 5: Solve for x
    x = 2,749,261,353.21/58,003.50
  6. Step 6: Final answer
    x = 47,398.20

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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.