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Finding the Fourth Proportional to 59,956.58, 89,859.26 and 30,381.86

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Solution

The fourth proportional to 59,956.58, 89,859.26 and 30,381.86 is: 45,534.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,956.58 : 89,859.26 = 30,381.86 : x
  2. Step 2: Convert to fraction form
    59,956.58/89,859.26 = 30,381.86/x
  3. Step 3: Cross multiply
    59,956.58x = 89,859.26 × 30,381.86
  4. Step 4: Simplify right side
    59,956.58x = 2,730,091,457.02
  5. Step 5: Solve for x
    x = 2,730,091,457.02/59,956.58
  6. Step 6: Final answer
    x = 45,534.48

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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.