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Finding the Fourth Proportional to 58,848.45, 81,212.44 and 31,992.76

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Solution

The fourth proportional to 58,848.45, 81,212.44 and 31,992.76 is: 44,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,848.45 : 81,212.44 = 31,992.76 : x
  2. Step 2: Convert to fraction form
    58,848.45/81,212.44 = 31,992.76/x
  3. Step 3: Cross multiply
    58,848.45x = 81,212.44 × 31,992.76
  4. Step 4: Simplify right side
    58,848.45x = 2,598,210,101.93
  5. Step 5: Solve for x
    x = 2,598,210,101.93/58,848.45
  6. Step 6: Final answer
    x = 44,150.87

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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.