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Finding the Fourth Proportional to 6,477.20, 8,937 and 4,705.73

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Solution

The fourth proportional to 6,477.20, 8,937 and 4,705.73 is: 6,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477.20 : 8,937 = 4,705.73 : x
  2. Step 2: Convert to fraction form
    6,477.20/8,937 = 4,705.73/x
  3. Step 3: Cross multiply
    6,477.20x = 8,937 × 4,705.73
  4. Step 4: Simplify right side
    6,477.20x = 42,055,064.33
  5. Step 5: Solve for x
    x = 42,055,064.33/6,477.20
  6. Step 6: Final answer
    x = 6,492.79

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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.