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Finding the Fourth Proportional to 33,054.75, 49,582.13 and 8,430.75

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Solution

The fourth proportional to 33,054.75, 49,582.13 and 8,430.75 is: 12,646.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,054.75 : 49,582.13 = 8,430.75 : x
  2. Step 2: Convert to fraction form
    33,054.75/49,582.13 = 8,430.75/x
  3. Step 3: Cross multiply
    33,054.75x = 49,582.13 × 8,430.75
  4. Step 4: Simplify right side
    33,054.75x = 418,014,500.34
  5. Step 5: Solve for x
    x = 418,014,500.34/33,054.75
  6. Step 6: Final answer
    x = 12,646.13

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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.