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Finding the Fourth Proportional to 30,602.25, 45,903.74 and 11,883.33

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Solution

The fourth proportional to 30,602.25, 45,903.74 and 11,883.33 is: 17,825.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602.25 : 45,903.74 = 11,883.33 : x
  2. Step 2: Convert to fraction form
    30,602.25/45,903.74 = 11,883.33/x
  3. Step 3: Cross multiply
    30,602.25x = 45,903.74 × 11,883.33
  4. Step 4: Simplify right side
    30,602.25x = 545,489,231.24
  5. Step 5: Solve for x
    x = 545,489,231.24/30,602.25
  6. Step 6: Final answer
    x = 17,825.13

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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.