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Finding the Fourth Proportional to 6,763.61, 10,134.95 and 4,687.67

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Solution

The fourth proportional to 6,763.61, 10,134.95 and 4,687.67 is: 7,024.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.61 : 10,134.95 = 4,687.67 : x
  2. Step 2: Convert to fraction form
    6,763.61/10,134.95 = 4,687.67/x
  3. Step 3: Cross multiply
    6,763.61x = 10,134.95 × 4,687.67
  4. Step 4: Simplify right side
    6,763.61x = 47,509,282.54
  5. Step 5: Solve for x
    x = 47,509,282.54/6,763.61
  6. Step 6: Final answer
    x = 7,024.25

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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.