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Finding the Fourth Proportional to 70,457.44, 105,686.22 and 23,710.36

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Solution

The fourth proportional to 70,457.44, 105,686.22 and 23,710.36 is: 35,565.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,457.44 : 105,686.22 = 23,710.36 : x
  2. Step 2: Convert to fraction form
    70,457.44/105,686.22 = 23,710.36/x
  3. Step 3: Cross multiply
    70,457.44x = 105,686.22 × 23,710.36
  4. Step 4: Simplify right side
    70,457.44x = 2,505,858,323.24
  5. Step 5: Solve for x
    x = 2,505,858,323.24/70,457.44
  6. Step 6: Final answer
    x = 35,565.56

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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.