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Finding the Fourth Proportional to 58,970.98, 81,380.37 and 32,113.54

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Solution

The fourth proportional to 58,970.98, 81,380.37 and 32,113.54 is: 44,316.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,970.98 : 81,380.37 = 32,113.54 : x
  2. Step 2: Convert to fraction form
    58,970.98/81,380.37 = 32,113.54/x
  3. Step 3: Cross multiply
    58,970.98x = 81,380.37 × 32,113.54
  4. Step 4: Simplify right side
    58,970.98x = 2,613,411,767.21
  5. Step 5: Solve for x
    x = 2,613,411,767.21/58,970.98
  6. Step 6: Final answer
    x = 44,316.91

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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.