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Finding the Fourth Proportional to 33,058.71, 45,608.12 and 18,903.99

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Solution

The fourth proportional to 33,058.71, 45,608.12 and 18,903.99 is: 26,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,058.71 : 45,608.12 = 18,903.99 : x
  2. Step 2: Convert to fraction form
    33,058.71/45,608.12 = 18,903.99/x
  3. Step 3: Cross multiply
    33,058.71x = 45,608.12 × 18,903.99
  4. Step 4: Simplify right side
    33,058.71x = 862,175,349.88
  5. Step 5: Solve for x
    x = 862,175,349.88/33,058.71
  6. Step 6: Final answer
    x = 26,080.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.