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Finding the Fourth Proportional to 50,559, 75,838.23 and 13,119.05

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Solution

The fourth proportional to 50,559, 75,838.23 and 13,119.05 is: 19,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,559 : 75,838.23 = 13,119.05 : x
  2. Step 2: Convert to fraction form
    50,559/75,838.23 = 13,119.05/x
  3. Step 3: Cross multiply
    50,559x = 75,838.23 × 13,119.05
  4. Step 4: Simplify right side
    50,559x = 994,925,152.09
  5. Step 5: Solve for x
    x = 994,925,152.09/50,559
  6. Step 6: Final answer
    x = 19,678.50

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Double scale
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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.