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Finding the Fourth Proportional to 64,078.62, 88,420.23 and 36,853.26

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Solution

The fourth proportional to 64,078.62, 88,420.23 and 36,853.26 is: 50,852.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,078.62 : 88,420.23 = 36,853.26 : x
  2. Step 2: Convert to fraction form
    64,078.62/88,420.23 = 36,853.26/x
  3. Step 3: Cross multiply
    64,078.62x = 88,420.23 × 36,853.26
  4. Step 4: Simplify right side
    64,078.62x = 3,258,573,725.45
  5. Step 5: Solve for x
    x = 3,258,573,725.45/64,078.62
  6. Step 6: Final answer
    x = 50,852.75

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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.