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Finding the Fourth Proportional to 11,364.31, 17,020.03 and 10,970.12

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Solution

The fourth proportional to 11,364.31, 17,020.03 and 10,970.12 is: 16,429.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.31 : 17,020.03 = 10,970.12 : x
  2. Step 2: Convert to fraction form
    11,364.31/17,020.03 = 10,970.12/x
  3. Step 3: Cross multiply
    11,364.31x = 17,020.03 × 10,970.12
  4. Step 4: Simplify right side
    11,364.31x = 186,711,771.50
  5. Step 5: Solve for x
    x = 186,711,771.50/11,364.31
  6. Step 6: Final answer
    x = 16,429.66

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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.