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Finding the Fourth Proportional to 30,373.46, 41,913.34 and 19,042.50

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Solution

The fourth proportional to 30,373.46, 41,913.34 and 19,042.50 is: 26,277.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,373.46 : 41,913.34 = 19,042.50 : x
  2. Step 2: Convert to fraction form
    30,373.46/41,913.34 = 19,042.50/x
  3. Step 3: Cross multiply
    30,373.46x = 41,913.34 × 19,042.50
  4. Step 4: Simplify right side
    30,373.46x = 798,134,776.95
  5. Step 5: Solve for x
    x = 798,134,776.95/30,373.46
  6. Step 6: Final answer
    x = 26,277.37

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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.