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Finding the Fourth Proportional to 63,657, 87,846.66 and 35,368.56

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Solution

The fourth proportional to 63,657, 87,846.66 and 35,368.56 is: 48,808.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,657 : 87,846.66 = 35,368.56 : x
  2. Step 2: Convert to fraction form
    63,657/87,846.66 = 35,368.56/x
  3. Step 3: Cross multiply
    63,657x = 87,846.66 × 35,368.56
  4. Step 4: Simplify right side
    63,657x = 3,107,009,865.01
  5. Step 5: Solve for x
    x = 3,107,009,865.01/63,657
  6. Step 6: Final answer
    x = 48,808.61

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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.