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Finding the Fourth Proportional to 8,495.65, 12,750.77 and 4,058.79

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Solution

The fourth proportional to 8,495.65, 12,750.77 and 4,058.79 is: 6,091.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.65 : 12,750.77 = 4,058.79 : x
  2. Step 2: Convert to fraction form
    8,495.65/12,750.77 = 4,058.79/x
  3. Step 3: Cross multiply
    8,495.65x = 12,750.77 × 4,058.79
  4. Step 4: Simplify right side
    8,495.65x = 51,752,697.77
  5. Step 5: Solve for x
    x = 51,752,697.77/8,495.65
  6. Step 6: Final answer
    x = 6,091.67

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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.