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Finding the Fourth Proportional to 64,596.45, 96,853 and 30,844.20

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Solution

The fourth proportional to 64,596.45, 96,853 and 30,844.20 is: 46,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,596.45 : 96,853 = 30,844.20 : x
  2. Step 2: Convert to fraction form
    64,596.45/96,853 = 30,844.20/x
  3. Step 3: Cross multiply
    64,596.45x = 96,853 × 30,844.20
  4. Step 4: Simplify right side
    64,596.45x = 2,987,353,302.60
  5. Step 5: Solve for x
    x = 2,987,353,302.60/64,596.45
  6. Step 6: Final answer
    x = 46,246.40

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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.