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Finding the Fourth Proportional to 6,409.35, 8,844.30 and 3,576.45

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Solution

The fourth proportional to 6,409.35, 8,844.30 and 3,576.45 is: 4,935.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409.35 : 8,844.30 = 3,576.45 : x
  2. Step 2: Convert to fraction form
    6,409.35/8,844.30 = 3,576.45/x
  3. Step 3: Cross multiply
    6,409.35x = 8,844.30 × 3,576.45
  4. Step 4: Simplify right side
    6,409.35x = 31,631,196.74
  5. Step 5: Solve for x
    x = 31,631,196.74/6,409.35
  6. Step 6: Final answer
    x = 4,935.16

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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.