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Finding the Fourth Proportional to 59,708.58, 89,562.84 and 40,931.67

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Solution

The fourth proportional to 59,708.58, 89,562.84 and 40,931.67 is: 61,397.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,708.58 : 89,562.84 = 40,931.67 : x
  2. Step 2: Convert to fraction form
    59,708.58/89,562.84 = 40,931.67/x
  3. Step 3: Cross multiply
    59,708.58x = 89,562.84 × 40,931.67
  4. Step 4: Simplify right side
    59,708.58x = 3,665,956,611.14
  5. Step 5: Solve for x
    x = 3,665,956,611.14/59,708.58
  6. Step 6: Final answer
    x = 61,397.48

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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.