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Finding the Fourth Proportional to 30,311.56, 41,829.96 and 17,063.56

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Solution

The fourth proportional to 30,311.56, 41,829.96 and 17,063.56 is: 23,547.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.56 : 41,829.96 = 17,063.56 : x
  2. Step 2: Convert to fraction form
    30,311.56/41,829.96 = 17,063.56/x
  3. Step 3: Cross multiply
    30,311.56x = 41,829.96 × 17,063.56
  4. Step 4: Simplify right side
    30,311.56x = 713,768,032.26
  5. Step 5: Solve for x
    x = 713,768,032.26/30,311.56
  6. Step 6: Final answer
    x = 23,547.72

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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.