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Finding the Fourth Proportional to 4,678.05, 7,017.02 and 1,346.37

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Solution

The fourth proportional to 4,678.05, 7,017.02 and 1,346.37 is: 2,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.05 : 7,017.02 = 1,346.37 : x
  2. Step 2: Convert to fraction form
    4,678.05/7,017.02 = 1,346.37/x
  3. Step 3: Cross multiply
    4,678.05x = 7,017.02 × 1,346.37
  4. Step 4: Simplify right side
    4,678.05x = 9,447,498.49
  5. Step 5: Solve for x
    x = 9,447,498.49/4,678.05
  6. Step 6: Final answer
    x = 2,019.54

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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.