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Finding the Fourth Proportional to 70,630.48, 105,945.72 and 33,582.16

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Solution

The fourth proportional to 70,630.48, 105,945.72 and 33,582.16 is: 50,373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,630.48 : 105,945.72 = 33,582.16 : x
  2. Step 2: Convert to fraction form
    70,630.48/105,945.72 = 33,582.16/x
  3. Step 3: Cross multiply
    70,630.48x = 105,945.72 × 33,582.16
  4. Step 4: Simplify right side
    70,630.48x = 3,557,886,120.36
  5. Step 5: Solve for x
    x = 3,557,886,120.36/70,630.48
  6. Step 6: Final answer
    x = 50,373.24

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Similar ratio
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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.