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Finding the Fourth Proportional to 28,604.25, 39,473.88 and 17,426.25

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Solution

The fourth proportional to 28,604.25, 39,473.88 and 17,426.25 is: 24,048.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,604.25 : 39,473.88 = 17,426.25 : x
  2. Step 2: Convert to fraction form
    28,604.25/39,473.88 = 17,426.25/x
  3. Step 3: Cross multiply
    28,604.25x = 39,473.88 × 17,426.25
  4. Step 4: Simplify right side
    28,604.25x = 687,881,701.35
  5. Step 5: Solve for x
    x = 687,881,701.35/28,604.25
  6. Step 6: Final answer
    x = 24,048.23

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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.