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Finding the Fourth Proportional to 30,259.53, 45,392.64 and 8,073.03

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Solution

The fourth proportional to 30,259.53, 45,392.64 and 8,073.03 is: 12,110.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259.53 : 45,392.64 = 8,073.03 : x
  2. Step 2: Convert to fraction form
    30,259.53/45,392.64 = 8,073.03/x
  3. Step 3: Cross multiply
    30,259.53x = 45,392.64 × 8,073.03
  4. Step 4: Simplify right side
    30,259.53x = 366,456,144.50
  5. Step 5: Solve for x
    x = 366,456,144.50/30,259.53
  6. Step 6: Final answer
    x = 12,110.44

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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.