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Finding the Fourth Proportional to 2,884.71, 4,326.60 and 804.50

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Solution

The fourth proportional to 2,884.71, 4,326.60 and 804.50 is: 1,206.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.71 : 4,326.60 = 804.50 : x
  2. Step 2: Convert to fraction form
    2,884.71/4,326.60 = 804.50/x
  3. Step 3: Cross multiply
    2,884.71x = 4,326.60 × 804.50
  4. Step 4: Simplify right side
    2,884.71x = 3,480,728.07
  5. Step 5: Solve for x
    x = 3,480,728.07/2,884.71
  6. Step 6: Final answer
    x = 1,206.61

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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.