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Finding the Fourth Proportional to 12,376.70, 17,057.54 and 9,014.19

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Solution

The fourth proportional to 12,376.70, 17,057.54 and 9,014.19 is: 12,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.70 : 17,057.54 = 9,014.19 : x
  2. Step 2: Convert to fraction form
    12,376.70/17,057.54 = 9,014.19/x
  3. Step 3: Cross multiply
    12,376.70x = 17,057.54 × 9,014.19
  4. Step 4: Simplify right side
    12,376.70x = 153,759,814.36
  5. Step 5: Solve for x
    x = 153,759,814.36/12,376.70
  6. Step 6: Final answer
    x = 12,423.33

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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.