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Finding the Fourth Proportional to 70,563.56, 105,779.72 and 23,783.63

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Solution

The fourth proportional to 70,563.56, 105,779.72 and 23,783.63 is: 35,653.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,563.56 : 105,779.72 = 23,783.63 : x
  2. Step 2: Convert to fraction form
    70,563.56/105,779.72 = 23,783.63/x
  3. Step 3: Cross multiply
    70,563.56x = 105,779.72 × 23,783.63
  4. Step 4: Simplify right side
    70,563.56x = 2,515,825,252.54
  5. Step 5: Solve for x
    x = 2,515,825,252.54/70,563.56
  6. Step 6: Final answer
    x = 35,653.32

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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.