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Finding the Fourth Proportional to 9,740.80, 14,593.92 and 6,647.68

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Solution

The fourth proportional to 9,740.80, 14,593.92 and 6,647.68 is: 9,959.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,740.80 : 14,593.92 = 6,647.68 : x
  2. Step 2: Convert to fraction form
    9,740.80/14,593.92 = 6,647.68/x
  3. Step 3: Cross multiply
    9,740.80x = 14,593.92 × 6,647.68
  4. Step 4: Simplify right side
    9,740.80x = 97,015,710.11
  5. Step 5: Solve for x
    x = 97,015,710.11/9,740.80
  6. Step 6: Final answer
    x = 9,959.73

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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.