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Finding the Fourth Proportional to 36,671.60, 55,007.40 and 25,612.40

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Solution

The fourth proportional to 36,671.60, 55,007.40 and 25,612.40 is: 38,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,671.60 : 55,007.40 = 25,612.40 : x
  2. Step 2: Convert to fraction form
    36,671.60/55,007.40 = 25,612.40/x
  3. Step 3: Cross multiply
    36,671.60x = 55,007.40 × 25,612.40
  4. Step 4: Simplify right side
    36,671.60x = 1,408,871,531.76
  5. Step 5: Solve for x
    x = 1,408,871,531.76/36,671.60
  6. Step 6: Final answer
    x = 38,418.60

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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.