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Finding the Fourth Proportional to 30,222.36, 45,333.48 and 8,035.74

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Solution

The fourth proportional to 30,222.36, 45,333.48 and 8,035.74 is: 12,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,222.36 : 45,333.48 = 8,035.74 : x
  2. Step 2: Convert to fraction form
    30,222.36/45,333.48 = 8,035.74/x
  3. Step 3: Cross multiply
    30,222.36x = 45,333.48 × 8,035.74
  4. Step 4: Simplify right side
    30,222.36x = 364,288,058.58
  5. Step 5: Solve for x
    x = 364,288,058.58/30,222.36
  6. Step 6: Final answer
    x = 12,053.59

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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.