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Finding the Fourth Proportional to 6,364.32, 8,790.44 and 4,683.30

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Solution

The fourth proportional to 6,364.32, 8,790.44 and 4,683.30 is: 6,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,364.32 : 8,790.44 = 4,683.30 : x
  2. Step 2: Convert to fraction form
    6,364.32/8,790.44 = 4,683.30/x
  3. Step 3: Cross multiply
    6,364.32x = 8,790.44 × 4,683.30
  4. Step 4: Simplify right side
    6,364.32x = 41,168,244.24
  5. Step 5: Solve for x
    x = 41,168,244.24/6,364.32
  6. Step 6: Final answer
    x = 6,468.60

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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.