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Finding the Fourth Proportional to 30,373.88, 41,935.44 and 19,058.90

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Solution

The fourth proportional to 30,373.88, 41,935.44 and 19,058.90 is: 26,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,373.88 : 41,935.44 = 19,058.90 : x
  2. Step 2: Convert to fraction form
    30,373.88/41,935.44 = 19,058.90/x
  3. Step 3: Cross multiply
    30,373.88x = 41,935.44 × 19,058.90
  4. Step 4: Simplify right side
    30,373.88x = 799,243,357.42
  5. Step 5: Solve for x
    x = 799,243,357.42/30,373.88
  6. Step 6: Final answer
    x = 26,313.51

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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.