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Finding the Fourth Proportional to 38,503.70, 57,774.70 and 21,626.24

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Solution

The fourth proportional to 38,503.70, 57,774.70 and 21,626.24 is: 32,450.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,503.70 : 57,774.70 = 21,626.24 : x
  2. Step 2: Convert to fraction form
    38,503.70/57,774.70 = 21,626.24/x
  3. Step 3: Cross multiply
    38,503.70x = 57,774.70 × 21,626.24
  4. Step 4: Simplify right side
    38,503.70x = 1,249,449,528.13
  5. Step 5: Solve for x
    x = 1,249,449,528.13/38,503.70
  6. Step 6: Final answer
    x = 32,450.12

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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.