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Finding the Fourth Proportional to 64,890.48, 97,336.64 and 27,445.84

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Solution

The fourth proportional to 64,890.48, 97,336.64 and 27,445.84 is: 41,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,890.48 : 97,336.64 = 27,445.84 : x
  2. Step 2: Convert to fraction form
    64,890.48/97,336.64 = 27,445.84/x
  3. Step 3: Cross multiply
    64,890.48x = 97,336.64 × 27,445.84
  4. Step 4: Simplify right side
    64,890.48x = 2,671,485,847.58
  5. Step 5: Solve for x
    x = 2,671,485,847.58/64,890.48
  6. Step 6: Final answer
    x = 41,169.15

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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.