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Finding the Fourth Proportional to 32,950.40, 45,469.72 and 19,522.88

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Solution

The fourth proportional to 32,950.40, 45,469.72 and 19,522.88 is: 26,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,950.40 : 45,469.72 = 19,522.88 : x
  2. Step 2: Convert to fraction form
    32,950.40/45,469.72 = 19,522.88/x
  3. Step 3: Cross multiply
    32,950.40x = 45,469.72 × 19,522.88
  4. Step 4: Simplify right side
    32,950.40x = 887,699,887.19
  5. Step 5: Solve for x
    x = 887,699,887.19/32,950.40
  6. Step 6: Final answer
    x = 26,940.49

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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.