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Finding the Fourth Proportional to 6,346.70, 8,765.74 and 4,851.28

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Solution

The fourth proportional to 6,346.70, 8,765.74 and 4,851.28 is: 6,700.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,346.70 : 8,765.74 = 4,851.28 : x
  2. Step 2: Convert to fraction form
    6,346.70/8,765.74 = 4,851.28/x
  3. Step 3: Cross multiply
    6,346.70x = 8,765.74 × 4,851.28
  4. Step 4: Simplify right side
    6,346.70x = 42,525,059.15
  5. Step 5: Solve for x
    x = 42,525,059.15/6,346.70
  6. Step 6: Final answer
    x = 6,700.34

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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.