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Finding the Fourth Proportional to 6,316.37, 8,716.37 and 3,483.80

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Solution

The fourth proportional to 6,316.37, 8,716.37 and 3,483.80 is: 4,807.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.37 : 8,716.37 = 3,483.80 : x
  2. Step 2: Convert to fraction form
    6,316.37/8,716.37 = 3,483.80/x
  3. Step 3: Cross multiply
    6,316.37x = 8,716.37 × 3,483.80
  4. Step 4: Simplify right side
    6,316.37x = 30,366,089.81
  5. Step 5: Solve for x
    x = 30,366,089.81/6,316.37
  6. Step 6: Final answer
    x = 4,807.52

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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.