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Finding the Fourth Proportional to 63,322.76, 87,347.31 and 41,812.69

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Solution

The fourth proportional to 63,322.76, 87,347.31 and 41,812.69 is: 57,676.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,322.76 : 87,347.31 = 41,812.69 : x
  2. Step 2: Convert to fraction form
    63,322.76/87,347.31 = 41,812.69/x
  3. Step 3: Cross multiply
    63,322.76x = 87,347.31 × 41,812.69
  4. Step 4: Simplify right side
    63,322.76x = 3,652,225,995.36
  5. Step 5: Solve for x
    x = 3,652,225,995.36/63,322.76
  6. Step 6: Final answer
    x = 57,676.36

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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.