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Finding the Fourth Proportional to 6,309.44, 8,710.60 and 4,074.58

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Solution

The fourth proportional to 6,309.44, 8,710.60 and 4,074.58 is: 5,625.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309.44 : 8,710.60 = 4,074.58 : x
  2. Step 2: Convert to fraction form
    6,309.44/8,710.60 = 4,074.58/x
  3. Step 3: Cross multiply
    6,309.44x = 8,710.60 × 4,074.58
  4. Step 4: Simplify right side
    6,309.44x = 35,492,036.55
  5. Step 5: Solve for x
    x = 35,492,036.55/6,309.44
  6. Step 6: Final answer
    x = 5,625.23

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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.