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Finding the Fourth Proportional to 70,651.63, 105,968.98 and 23,254.93

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Solution

The fourth proportional to 70,651.63, 105,968.98 and 23,254.93 is: 34,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,651.63 : 105,968.98 = 23,254.93 : x
  2. Step 2: Convert to fraction form
    70,651.63/105,968.98 = 23,254.93/x
  3. Step 3: Cross multiply
    70,651.63x = 105,968.98 × 23,254.93
  4. Step 4: Simplify right side
    70,651.63x = 2,464,301,540.83
  5. Step 5: Solve for x
    x = 2,464,301,540.83/70,651.63
  6. Step 6: Final answer
    x = 34,879.61

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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.