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Finding the Fourth Proportional to 64,417.20, 96,630.60 and 22,858.80

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Solution

The fourth proportional to 64,417.20, 96,630.60 and 22,858.80 is: 34,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,417.20 : 96,630.60 = 22,858.80 : x
  2. Step 2: Convert to fraction form
    64,417.20/96,630.60 = 22,858.80/x
  3. Step 3: Cross multiply
    64,417.20x = 96,630.60 × 22,858.80
  4. Step 4: Simplify right side
    64,417.20x = 2,208,859,559.28
  5. Step 5: Solve for x
    x = 2,208,859,559.28/64,417.20
  6. Step 6: Final answer
    x = 34,289.90

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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.