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Finding the Fourth Proportional to 50,353.56, 75,529.98 and 12,913.56

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Solution

The fourth proportional to 50,353.56, 75,529.98 and 12,913.56 is: 19,370.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,353.56 : 75,529.98 = 12,913.56 : x
  2. Step 2: Convert to fraction form
    50,353.56/75,529.98 = 12,913.56/x
  3. Step 3: Cross multiply
    50,353.56x = 75,529.98 × 12,913.56
  4. Step 4: Simplify right side
    50,353.56x = 975,360,928.53
  5. Step 5: Solve for x
    x = 975,360,928.53/50,353.56
  6. Step 6: Final answer
    x = 19,370.25

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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.