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Finding the Fourth Proportional to 26,492.81, 39,733.04 and 9,860.67

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Solution

The fourth proportional to 26,492.81, 39,733.04 and 9,860.67 is: 14,788.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,492.81 : 39,733.04 = 9,860.67 : x
  2. Step 2: Convert to fraction form
    26,492.81/39,733.04 = 9,860.67/x
  3. Step 3: Cross multiply
    26,492.81x = 39,733.04 × 9,860.67
  4. Step 4: Simplify right side
    26,492.81x = 391,794,420.19
  5. Step 5: Solve for x
    x = 391,794,420.19/26,492.81
  6. Step 6: Final answer
    x = 14,788.71

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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.