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Finding the Fourth Proportional to 32,642.20, 48,866.10 and 19,487.80

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Solution

The fourth proportional to 32,642.20, 48,866.10 and 19,487.80 is: 29,173.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,642.20 : 48,866.10 = 19,487.80 : x
  2. Step 2: Convert to fraction form
    32,642.20/48,866.10 = 19,487.80/x
  3. Step 3: Cross multiply
    32,642.20x = 48,866.10 × 19,487.80
  4. Step 4: Simplify right side
    32,642.20x = 952,292,783.58
  5. Step 5: Solve for x
    x = 952,292,783.58/32,642.20
  6. Step 6: Final answer
    x = 29,173.67

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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.