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Finding the Fourth Proportional to 47,193.96, 70,741.72 and 19,133.38

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Solution

The fourth proportional to 47,193.96, 70,741.72 and 19,133.38 is: 28,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,193.96 : 70,741.72 = 19,133.38 : x
  2. Step 2: Convert to fraction form
    47,193.96/70,741.72 = 19,133.38/x
  3. Step 3: Cross multiply
    47,193.96x = 70,741.72 × 19,133.38
  4. Step 4: Simplify right side
    47,193.96x = 1,353,528,210.61
  5. Step 5: Solve for x
    x = 1,353,528,210.61/47,193.96
  6. Step 6: Final answer
    x = 28,680.12

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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.