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Finding the Fourth Proportional to 6,382.81, 8,805.76 and 4,708.25

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Solution

The fourth proportional to 6,382.81, 8,805.76 and 4,708.25 is: 6,495.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382.81 : 8,805.76 = 4,708.25 : x
  2. Step 2: Convert to fraction form
    6,382.81/8,805.76 = 4,708.25/x
  3. Step 3: Cross multiply
    6,382.81x = 8,805.76 × 4,708.25
  4. Step 4: Simplify right side
    6,382.81x = 41,459,719.52
  5. Step 5: Solve for x
    x = 41,459,719.52/6,382.81
  6. Step 6: Final answer
    x = 6,495.53

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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.