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Finding the Fourth Proportional to 6,336.56, 8,745 and 5,154.32

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Solution

The fourth proportional to 6,336.56, 8,745 and 5,154.32 is: 7,113.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,336.56 : 8,745 = 5,154.32 : x
  2. Step 2: Convert to fraction form
    6,336.56/8,745 = 5,154.32/x
  3. Step 3: Cross multiply
    6,336.56x = 8,745 × 5,154.32
  4. Step 4: Simplify right side
    6,336.56x = 45,074,528.40
  5. Step 5: Solve for x
    x = 45,074,528.40/6,336.56
  6. Step 6: Final answer
    x = 7,113.41

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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.