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Finding the Fourth Proportional to 35,215.16, 52,824.66 and 8,920.13

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Solution

The fourth proportional to 35,215.16, 52,824.66 and 8,920.13 is: 13,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,215.16 : 52,824.66 = 8,920.13 : x
  2. Step 2: Convert to fraction form
    35,215.16/52,824.66 = 8,920.13/x
  3. Step 3: Cross multiply
    35,215.16x = 52,824.66 × 8,920.13
  4. Step 4: Simplify right side
    35,215.16x = 471,202,536.83
  5. Step 5: Solve for x
    x = 471,202,536.83/35,215.16
  6. Step 6: Final answer
    x = 13,380.67

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1.5x scale

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.