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Finding the Fourth Proportional to 6,417.73, 8,822.44 and 5,518.16

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Solution

The fourth proportional to 6,417.73, 8,822.44 and 5,518.16 is: 7,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.73 : 8,822.44 = 5,518.16 : x
  2. Step 2: Convert to fraction form
    6,417.73/8,822.44 = 5,518.16/x
  3. Step 3: Cross multiply
    6,417.73x = 8,822.44 × 5,518.16
  4. Step 4: Simplify right side
    6,417.73x = 48,683,631.38
  5. Step 5: Solve for x
    x = 48,683,631.38/6,417.73
  6. Step 6: Final answer
    x = 7,585.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.