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Finding the Fourth Proportional to 6,471, 8,927.62 and 4,234.16

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Solution

The fourth proportional to 6,471, 8,927.62 and 4,234.16 is: 5,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471 : 8,927.62 = 4,234.16 : x
  2. Step 2: Convert to fraction form
    6,471/8,927.62 = 4,234.16/x
  3. Step 3: Cross multiply
    6,471x = 8,927.62 × 4,234.16
  4. Step 4: Simplify right side
    6,471x = 37,800,971.50
  5. Step 5: Solve for x
    x = 37,800,971.50/6,471
  6. Step 6: Final answer
    x = 5,841.60

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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.