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Finding the Fourth Proportional to 82,615.17, 114,009.62 and 44,889.42

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Solution

The fourth proportional to 82,615.17, 114,009.62 and 44,889.42 is: 61,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,615.17 : 114,009.62 = 44,889.42 : x
  2. Step 2: Convert to fraction form
    82,615.17/114,009.62 = 44,889.42/x
  3. Step 3: Cross multiply
    82,615.17x = 114,009.62 × 44,889.42
  4. Step 4: Simplify right side
    82,615.17x = 5,117,825,716.22
  5. Step 5: Solve for x
    x = 5,117,825,716.22/82,615.17
  6. Step 6: Final answer
    x = 61,947.77

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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.