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Finding the Fourth Proportional to 25,218.60, 37,827.90 and 16,924.20

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Solution

The fourth proportional to 25,218.60, 37,827.90 and 16,924.20 is: 25,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.60 : 37,827.90 = 16,924.20 : x
  2. Step 2: Convert to fraction form
    25,218.60/37,827.90 = 16,924.20/x
  3. Step 3: Cross multiply
    25,218.60x = 37,827.90 × 16,924.20
  4. Step 4: Simplify right side
    25,218.60x = 640,206,945.18
  5. Step 5: Solve for x
    x = 640,206,945.18/25,218.60
  6. Step 6: Final answer
    x = 25,386.30

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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.