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Finding the Fourth Proportional to 30,393.51, 45,594.81 and 10,668.60

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Solution

The fourth proportional to 30,393.51, 45,594.81 and 10,668.60 is: 16,004.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,393.51 : 45,594.81 = 10,668.60 : x
  2. Step 2: Convert to fraction form
    30,393.51/45,594.81 = 10,668.60/x
  3. Step 3: Cross multiply
    30,393.51x = 45,594.81 × 10,668.60
  4. Step 4: Simplify right side
    30,393.51x = 486,432,789.97
  5. Step 5: Solve for x
    x = 486,432,789.97/30,393.51
  6. Step 6: Final answer
    x = 16,004.50

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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.