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Finding the Fourth Proportional to 16,387.94, 24,584.16 and 5,290.94

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Solution

The fourth proportional to 16,387.94, 24,584.16 and 5,290.94 is: 7,937.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,387.94 : 24,584.16 = 5,290.94 : x
  2. Step 2: Convert to fraction form
    16,387.94/24,584.16 = 5,290.94/x
  3. Step 3: Cross multiply
    16,387.94x = 24,584.16 × 5,290.94
  4. Step 4: Simplify right side
    16,387.94x = 130,073,315.51
  5. Step 5: Solve for x
    x = 130,073,315.51/16,387.94
  6. Step 6: Final answer
    x = 7,937.14

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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.