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Finding the Fourth Proportional to 32,668.30, 48,980.58 and 12,941.56

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Solution

The fourth proportional to 32,668.30, 48,980.58 and 12,941.56 is: 19,403.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,668.30 : 48,980.58 = 12,941.56 : x
  2. Step 2: Convert to fraction form
    32,668.30/48,980.58 = 12,941.56/x
  3. Step 3: Cross multiply
    32,668.30x = 48,980.58 × 12,941.56
  4. Step 4: Simplify right side
    32,668.30x = 633,885,114.90
  5. Step 5: Solve for x
    x = 633,885,114.90/32,668.30
  6. Step 6: Final answer
    x = 19,403.68

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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.