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Finding the Fourth Proportional to 58,981.96, 81,398.52 and 44,420.08

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Solution

The fourth proportional to 58,981.96, 81,398.52 and 44,420.08 is: 61,302.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,981.96 : 81,398.52 = 44,420.08 : x
  2. Step 2: Convert to fraction form
    58,981.96/81,398.52 = 44,420.08/x
  3. Step 3: Cross multiply
    58,981.96x = 81,398.52 × 44,420.08
  4. Step 4: Simplify right side
    58,981.96x = 3,615,728,770.28
  5. Step 5: Solve for x
    x = 3,615,728,770.28/58,981.96
  6. Step 6: Final answer
    x = 61,302.28

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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.