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Finding the Fourth Proportional to 30,867.36, 46,300.69 and 7,493.79

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Solution

The fourth proportional to 30,867.36, 46,300.69 and 7,493.79 is: 11,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,867.36 : 46,300.69 = 7,493.79 : x
  2. Step 2: Convert to fraction form
    30,867.36/46,300.69 = 7,493.79/x
  3. Step 3: Cross multiply
    30,867.36x = 46,300.69 × 7,493.79
  4. Step 4: Simplify right side
    30,867.36x = 346,967,647.72
  5. Step 5: Solve for x
    x = 346,967,647.72/30,867.36
  6. Step 6: Final answer
    x = 11,240.60

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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.