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Finding the Fourth Proportional to 35,073.70, 48,401.72 and 19,158.21

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Solution

The fourth proportional to 35,073.70, 48,401.72 and 19,158.21 is: 26,438.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,073.70 : 48,401.72 = 19,158.21 : x
  2. Step 2: Convert to fraction form
    35,073.70/48,401.72 = 19,158.21/x
  3. Step 3: Cross multiply
    35,073.70x = 48,401.72 × 19,158.21
  4. Step 4: Simplify right side
    35,073.70x = 927,290,316.12
  5. Step 5: Solve for x
    x = 927,290,316.12/35,073.70
  6. Step 6: Final answer
    x = 26,438.34

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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.