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Finding the Fourth Proportional to 64,292.44, 96,430.96 and 16,911.22

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Solution

The fourth proportional to 64,292.44, 96,430.96 and 16,911.22 is: 25,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,292.44 : 96,430.96 = 16,911.22 : x
  2. Step 2: Convert to fraction form
    64,292.44/96,430.96 = 16,911.22/x
  3. Step 3: Cross multiply
    64,292.44x = 96,430.96 × 16,911.22
  4. Step 4: Simplify right side
    64,292.44x = 1,630,765,179.37
  5. Step 5: Solve for x
    x = 1,630,765,179.37/64,292.44
  6. Step 6: Final answer
    x = 25,364.80

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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.