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Finding the Fourth Proportional to 6,656.99, 9,968.45 and 6,459.93

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Solution

The fourth proportional to 6,656.99, 9,968.45 and 6,459.93 is: 9,673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.99 : 9,968.45 = 6,459.93 : x
  2. Step 2: Convert to fraction form
    6,656.99/9,968.45 = 6,459.93/x
  3. Step 3: Cross multiply
    6,656.99x = 9,968.45 × 6,459.93
  4. Step 4: Simplify right side
    6,656.99x = 64,395,456.91
  5. Step 5: Solve for x
    x = 64,395,456.91/6,656.99
  6. Step 6: Final answer
    x = 9,673.37

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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.