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Finding the Fourth Proportional to 6,402.51, 8,830.01 and 5,073.91

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Solution

The fourth proportional to 6,402.51, 8,830.01 and 5,073.91 is: 6,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.51 : 8,830.01 = 5,073.91 : x
  2. Step 2: Convert to fraction form
    6,402.51/8,830.01 = 5,073.91/x
  3. Step 3: Cross multiply
    6,402.51x = 8,830.01 × 5,073.91
  4. Step 4: Simplify right side
    6,402.51x = 44,802,666.65
  5. Step 5: Solve for x
    x = 44,802,666.65/6,402.51
  6. Step 6: Final answer
    x = 6,997.67

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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.