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Finding the Fourth Proportional to 30,235.40, 45,401.70 and 22,848.20

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Solution

The fourth proportional to 30,235.40, 45,401.70 and 22,848.20 is: 34,309.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,235.40 : 45,401.70 = 22,848.20 : x
  2. Step 2: Convert to fraction form
    30,235.40/45,401.70 = 22,848.20/x
  3. Step 3: Cross multiply
    30,235.40x = 45,401.70 × 22,848.20
  4. Step 4: Simplify right side
    30,235.40x = 1,037,347,121.94
  5. Step 5: Solve for x
    x = 1,037,347,121.94/30,235.40
  6. Step 6: Final answer
    x = 34,309.03

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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.