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Finding the Fourth Proportional to 6,448.58, 9,672.23 and 2,064.86

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Solution

The fourth proportional to 6,448.58, 9,672.23 and 2,064.86 is: 3,097.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.58 : 9,672.23 = 2,064.86 : x
  2. Step 2: Convert to fraction form
    6,448.58/9,672.23 = 2,064.86/x
  3. Step 3: Cross multiply
    6,448.58x = 9,672.23 × 2,064.86
  4. Step 4: Simplify right side
    6,448.58x = 19,971,790.51
  5. Step 5: Solve for x
    x = 19,971,790.51/6,448.58
  6. Step 6: Final answer
    x = 3,097.08

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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.