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Finding the Fourth Proportional to 58,947.80, 81,347.12 and 32,090.53

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Solution

The fourth proportional to 58,947.80, 81,347.12 and 32,090.53 is: 44,284.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,947.80 : 81,347.12 = 32,090.53 : x
  2. Step 2: Convert to fraction form
    58,947.80/81,347.12 = 32,090.53/x
  3. Step 3: Cross multiply
    58,947.80x = 81,347.12 × 32,090.53
  4. Step 4: Simplify right side
    58,947.80x = 2,610,472,194.77
  5. Step 5: Solve for x
    x = 2,610,472,194.77/58,947.80
  6. Step 6: Final answer
    x = 44,284.47

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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.