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Finding the Fourth Proportional to 49,166.40, 73,749.60 and 28,365.60

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Solution

The fourth proportional to 49,166.40, 73,749.60 and 28,365.60 is: 42,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,166.40 : 73,749.60 = 28,365.60 : x
  2. Step 2: Convert to fraction form
    49,166.40/73,749.60 = 28,365.60/x
  3. Step 3: Cross multiply
    49,166.40x = 73,749.60 × 28,365.60
  4. Step 4: Simplify right side
    49,166.40x = 2,091,951,653.76
  5. Step 5: Solve for x
    x = 2,091,951,653.76/49,166.40
  6. Step 6: Final answer
    x = 42,548.40

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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.