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Finding the Fourth Proportional to 58,438.95, 80,648.10 and 32,946.26

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Solution

The fourth proportional to 58,438.95, 80,648.10 and 32,946.26 is: 45,467.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,438.95 : 80,648.10 = 32,946.26 : x
  2. Step 2: Convert to fraction form
    58,438.95/80,648.10 = 32,946.26/x
  3. Step 3: Cross multiply
    58,438.95x = 80,648.10 × 32,946.26
  4. Step 4: Simplify right side
    58,438.95x = 2,657,052,867.87
  5. Step 5: Solve for x
    x = 2,657,052,867.87/58,438.95
  6. Step 6: Final answer
    x = 45,467.16

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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.