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Finding the Fourth Proportional to 6,347.16, 8,768.20 and 5,069.36

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Solution

The fourth proportional to 6,347.16, 8,768.20 and 5,069.36 is: 7,003.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.16 : 8,768.20 = 5,069.36 : x
  2. Step 2: Convert to fraction form
    6,347.16/8,768.20 = 5,069.36/x
  3. Step 3: Cross multiply
    6,347.16x = 8,768.20 × 5,069.36
  4. Step 4: Simplify right side
    6,347.16x = 44,449,123.71
  5. Step 5: Solve for x
    x = 44,449,123.71/6,347.16
  6. Step 6: Final answer
    x = 7,003.00

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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.