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Finding the Fourth Proportional to 58,948.55, 81,346.51 and 32,090.50

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Solution

The fourth proportional to 58,948.55, 81,346.51 and 32,090.50 is: 44,283.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,948.55 : 81,346.51 = 32,090.50 : x
  2. Step 2: Convert to fraction form
    58,948.55/81,346.51 = 32,090.50/x
  3. Step 3: Cross multiply
    58,948.55x = 81,346.51 × 32,090.50
  4. Step 4: Simplify right side
    58,948.55x = 2,610,450,179.16
  5. Step 5: Solve for x
    x = 2,610,450,179.16/58,948.55
  6. Step 6: Final answer
    x = 44,283.54

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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.