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Finding the Fourth Proportional to 8,693.67, 13,040.30 and 4,748.77

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Solution

The fourth proportional to 8,693.67, 13,040.30 and 4,748.77 is: 7,123.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.67 : 13,040.30 = 4,748.77 : x
  2. Step 2: Convert to fraction form
    8,693.67/13,040.30 = 4,748.77/x
  3. Step 3: Cross multiply
    8,693.67x = 13,040.30 × 4,748.77
  4. Step 4: Simplify right side
    8,693.67x = 61,925,320.23
  5. Step 5: Solve for x
    x = 61,925,320.23/8,693.67
  6. Step 6: Final answer
    x = 7,123.04

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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.