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Finding the Fourth Proportional to 64,328.70, 96,453.97 and 28,783.39

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Solution

The fourth proportional to 64,328.70, 96,453.97 and 28,783.39 is: 43,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,328.70 : 96,453.97 = 28,783.39 : x
  2. Step 2: Convert to fraction form
    64,328.70/96,453.97 = 28,783.39/x
  3. Step 3: Cross multiply
    64,328.70x = 96,453.97 × 28,783.39
  4. Step 4: Simplify right side
    64,328.70x = 2,776,272,235.56
  5. Step 5: Solve for x
    x = 2,776,272,235.56/64,328.70
  6. Step 6: Final answer
    x = 43,157.60

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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.