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Finding the Fourth Proportional to 6,136.80, 8,476.56 and 4,756.56

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Solution

The fourth proportional to 6,136.80, 8,476.56 and 4,756.56 is: 6,570.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,136.80 : 8,476.56 = 4,756.56 : x
  2. Step 2: Convert to fraction form
    6,136.80/8,476.56 = 4,756.56/x
  3. Step 3: Cross multiply
    6,136.80x = 8,476.56 × 4,756.56
  4. Step 4: Simplify right side
    6,136.80x = 40,319,266.23
  5. Step 5: Solve for x
    x = 40,319,266.23/6,136.80
  6. Step 6: Final answer
    x = 6,570.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.