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Finding the Fourth Proportional to 6,603.36, 9,905.04 and 2,707.68

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Solution

The fourth proportional to 6,603.36, 9,905.04 and 2,707.68 is: 4,061.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.36 : 9,905.04 = 2,707.68 : x
  2. Step 2: Convert to fraction form
    6,603.36/9,905.04 = 2,707.68/x
  3. Step 3: Cross multiply
    6,603.36x = 9,905.04 × 2,707.68
  4. Step 4: Simplify right side
    6,603.36x = 26,819,678.71
  5. Step 5: Solve for x
    x = 26,819,678.71/6,603.36
  6. Step 6: Final answer
    x = 4,061.52

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Similar ratio
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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.