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Finding the Fourth Proportional to 8,692.43, 13,007.51 and 7,526.48

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Solution

The fourth proportional to 8,692.43, 13,007.51 and 7,526.48 is: 11,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.43 : 13,007.51 = 7,526.48 : x
  2. Step 2: Convert to fraction form
    8,692.43/13,007.51 = 7,526.48/x
  3. Step 3: Cross multiply
    8,692.43x = 13,007.51 × 7,526.48
  4. Step 4: Simplify right side
    8,692.43x = 97,900,661.19
  5. Step 5: Solve for x
    x = 97,900,661.19/8,692.43
  6. Step 6: Final answer
    x = 11,262.76

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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.