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Finding the Fourth Proportional to 8,597.63, 12,900.09 and 4,644.23

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Solution

The fourth proportional to 8,597.63, 12,900.09 and 4,644.23 is: 6,968.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.63 : 12,900.09 = 4,644.23 : x
  2. Step 2: Convert to fraction form
    8,597.63/12,900.09 = 4,644.23/x
  3. Step 3: Cross multiply
    8,597.63x = 12,900.09 × 4,644.23
  4. Step 4: Simplify right side
    8,597.63x = 59,910,920.48
  5. Step 5: Solve for x
    x = 59,910,920.48/8,597.63
  6. Step 6: Final answer
    x = 6,968.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.