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Finding the Fourth Proportional to 13,793.75, 19,035.78 and 7,506.53

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Solution

The fourth proportional to 13,793.75, 19,035.78 and 7,506.53 is: 10,359.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.75 : 19,035.78 = 7,506.53 : x
  2. Step 2: Convert to fraction form
    13,793.75/19,035.78 = 7,506.53/x
  3. Step 3: Cross multiply
    13,793.75x = 19,035.78 × 7,506.53
  4. Step 4: Simplify right side
    13,793.75x = 142,892,653.64
  5. Step 5: Solve for x
    x = 142,892,653.64/13,793.75
  6. Step 6: Final answer
    x = 10,359.23

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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.