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Finding the Fourth Proportional to 60,115.32, 82,965.30 and 34,622.64

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Solution

The fourth proportional to 60,115.32, 82,965.30 and 34,622.64 is: 47,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,115.32 : 82,965.30 = 34,622.64 : x
  2. Step 2: Convert to fraction form
    60,115.32/82,965.30 = 34,622.64/x
  3. Step 3: Cross multiply
    60,115.32x = 82,965.30 × 34,622.64
  4. Step 4: Simplify right side
    60,115.32x = 2,872,477,714.39
  5. Step 5: Solve for x
    x = 2,872,477,714.39/60,115.32
  6. Step 6: Final answer
    x = 47,782.79

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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.