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Finding the Fourth Proportional to 35,310.57, 52,965.93 and 8,656.67

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Solution

The fourth proportional to 35,310.57, 52,965.93 and 8,656.67 is: 12,985.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,310.57 : 52,965.93 = 8,656.67 : x
  2. Step 2: Convert to fraction form
    35,310.57/52,965.93 = 8,656.67/x
  3. Step 3: Cross multiply
    35,310.57x = 52,965.93 × 8,656.67
  4. Step 4: Simplify right side
    35,310.57x = 458,508,742.13
  5. Step 5: Solve for x
    x = 458,508,742.13/35,310.57
  6. Step 6: Final answer
    x = 12,985.03

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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.