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Finding the Fourth Proportional to 50,848.70, 70,175.50 and 29,342.32

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Solution

The fourth proportional to 50,848.70, 70,175.50 and 29,342.32 is: 40,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,848.70 : 70,175.50 = 29,342.32 : x
  2. Step 2: Convert to fraction form
    50,848.70/70,175.50 = 29,342.32/x
  3. Step 3: Cross multiply
    50,848.70x = 70,175.50 × 29,342.32
  4. Step 4: Simplify right side
    50,848.70x = 2,059,111,728.37
  5. Step 5: Solve for x
    x = 2,059,111,728.37/50,848.70
  6. Step 6: Final answer
    x = 40,494.88

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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.