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Finding the Fourth Proportional to 35,060.80, 52,585.50 and 12,868.67

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Solution

The fourth proportional to 35,060.80, 52,585.50 and 12,868.67 is: 19,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,060.80 : 52,585.50 = 12,868.67 : x
  2. Step 2: Convert to fraction form
    35,060.80/52,585.50 = 12,868.67/x
  3. Step 3: Cross multiply
    35,060.80x = 52,585.50 × 12,868.67
  4. Step 4: Simplify right side
    35,060.80x = 676,705,626.01
  5. Step 5: Solve for x
    x = 676,705,626.01/35,060.80
  6. Step 6: Final answer
    x = 19,300.92

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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.