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Finding the Fourth Proportional to 32,845.92, 45,326.88 and 18,698.64

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Solution

The fourth proportional to 32,845.92, 45,326.88 and 18,698.64 is: 25,803.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,845.92 : 45,326.88 = 18,698.64 : x
  2. Step 2: Convert to fraction form
    32,845.92/45,326.88 = 18,698.64/x
  3. Step 3: Cross multiply
    32,845.92x = 45,326.88 × 18,698.64
  4. Step 4: Simplify right side
    32,845.92x = 847,551,011.44
  5. Step 5: Solve for x
    x = 847,551,011.44/32,845.92
  6. Step 6: Final answer
    x = 25,803.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.