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Finding the Fourth Proportional to 30,376.68, 41,923.06 and 16,952.60

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Solution

The fourth proportional to 30,376.68, 41,923.06 and 16,952.60 is: 23,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376.68 : 41,923.06 = 16,952.60 : x
  2. Step 2: Convert to fraction form
    30,376.68/41,923.06 = 16,952.60/x
  3. Step 3: Cross multiply
    30,376.68x = 41,923.06 × 16,952.60
  4. Step 4: Simplify right side
    30,376.68x = 710,704,866.96
  5. Step 5: Solve for x
    x = 710,704,866.96/30,376.68
  6. Step 6: Final answer
    x = 23,396.40

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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.