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Finding the Fourth Proportional to 57,706.29, 79,670.70 and 44,251.65

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Solution

The fourth proportional to 57,706.29, 79,670.70 and 44,251.65 is: 61,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,706.29 : 79,670.70 = 44,251.65 : x
  2. Step 2: Convert to fraction form
    57,706.29/79,670.70 = 44,251.65/x
  3. Step 3: Cross multiply
    57,706.29x = 79,670.70 × 44,251.65
  4. Step 4: Simplify right side
    57,706.29x = 3,525,559,931.66
  5. Step 5: Solve for x
    x = 3,525,559,931.66/57,706.29
  6. Step 6: Final answer
    x = 61,094.90

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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.