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Finding the Fourth Proportional to 25,644.61, 38,483.73 and 9,004.21

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Solution

The fourth proportional to 25,644.61, 38,483.73 and 9,004.21 is: 13,512.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,644.61 : 38,483.73 = 9,004.21 : x
  2. Step 2: Convert to fraction form
    25,644.61/38,483.73 = 9,004.21/x
  3. Step 3: Cross multiply
    25,644.61x = 38,483.73 × 9,004.21
  4. Step 4: Simplify right side
    25,644.61x = 346,515,705.22
  5. Step 5: Solve for x
    x = 346,515,705.22/25,644.61
  6. Step 6: Final answer
    x = 13,512.22

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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.