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Finding the Fourth Proportional to 6,355.30, 8,765.94 and 4,470.88

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Solution

The fourth proportional to 6,355.30, 8,765.94 and 4,470.88 is: 6,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,355.30 : 8,765.94 = 4,470.88 : x
  2. Step 2: Convert to fraction form
    6,355.30/8,765.94 = 4,470.88/x
  3. Step 3: Cross multiply
    6,355.30x = 8,765.94 × 4,470.88
  4. Step 4: Simplify right side
    6,355.30x = 39,191,465.83
  5. Step 5: Solve for x
    x = 39,191,465.83/6,355.30
  6. Step 6: Final answer
    x = 6,166.74

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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.