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Finding the Fourth Proportional to 12,350.88, 18,529.02 and 4,955.58

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Solution

The fourth proportional to 12,350.88, 18,529.02 and 4,955.58 is: 7,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.88 : 18,529.02 = 4,955.58 : x
  2. Step 2: Convert to fraction form
    12,350.88/18,529.02 = 4,955.58/x
  3. Step 3: Cross multiply
    12,350.88x = 18,529.02 × 4,955.58
  4. Step 4: Simplify right side
    12,350.88x = 91,822,040.93
  5. Step 5: Solve for x
    x = 91,822,040.93/12,350.88
  6. Step 6: Final answer
    x = 7,434.45

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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.