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Finding the Fourth Proportional to 6,762.88, 10,136.76 and 4,818.88

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Solution

The fourth proportional to 6,762.88, 10,136.76 and 4,818.88 is: 7,222.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,762.88 : 10,136.76 = 4,818.88 : x
  2. Step 2: Convert to fraction form
    6,762.88/10,136.76 = 4,818.88/x
  3. Step 3: Cross multiply
    6,762.88x = 10,136.76 × 4,818.88
  4. Step 4: Simplify right side
    6,762.88x = 48,847,830.03
  5. Step 5: Solve for x
    x = 48,847,830.03/6,762.88
  6. Step 6: Final answer
    x = 7,222.93

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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.