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Finding the Fourth Proportional to 32,605.76, 48,914.96 and 13,885.48

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Solution

The fourth proportional to 32,605.76, 48,914.96 and 13,885.48 is: 20,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,605.76 : 48,914.96 = 13,885.48 : x
  2. Step 2: Convert to fraction form
    32,605.76/48,914.96 = 13,885.48/x
  3. Step 3: Cross multiply
    32,605.76x = 48,914.96 × 13,885.48
  4. Step 4: Simplify right side
    32,605.76x = 679,207,698.78
  5. Step 5: Solve for x
    x = 679,207,698.78/32,605.76
  6. Step 6: Final answer
    x = 20,830.91

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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.