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Finding the Fourth Proportional to 9,623.70, 14,448.82 and 6,654.78

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Solution

The fourth proportional to 9,623.70, 14,448.82 and 6,654.78 is: 9,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,623.70 : 14,448.82 = 6,654.78 : x
  2. Step 2: Convert to fraction form
    9,623.70/14,448.82 = 6,654.78/x
  3. Step 3: Cross multiply
    9,623.70x = 14,448.82 × 6,654.78
  4. Step 4: Simplify right side
    9,623.70x = 96,153,718.36
  5. Step 5: Solve for x
    x = 96,153,718.36/9,623.70
  6. Step 6: Final answer
    x = 9,991.35

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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.