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Finding the Fourth Proportional to 12,063.30, 16,644.20 and 6,957.58

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Solution

The fourth proportional to 12,063.30, 16,644.20 and 6,957.58 is: 9,599.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063.30 : 16,644.20 = 6,957.58 : x
  2. Step 2: Convert to fraction form
    12,063.30/16,644.20 = 6,957.58/x
  3. Step 3: Cross multiply
    12,063.30x = 16,644.20 × 6,957.58
  4. Step 4: Simplify right side
    12,063.30x = 115,803,353.04
  5. Step 5: Solve for x
    x = 115,803,353.04/12,063.30
  6. Step 6: Final answer
    x = 9,599.64

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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.