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Finding the Fourth Proportional to 58,902.67, 81,334.74 and 54,628.84

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Solution

The fourth proportional to 58,902.67, 81,334.74 and 54,628.84 is: 75,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,902.67 : 81,334.74 = 54,628.84 : x
  2. Step 2: Convert to fraction form
    58,902.67/81,334.74 = 54,628.84/x
  3. Step 3: Cross multiply
    58,902.67x = 81,334.74 × 54,628.84
  4. Step 4: Simplify right side
    58,902.67x = 4,443,222,701.24
  5. Step 5: Solve for x
    x = 4,443,222,701.24/58,902.67
  6. Step 6: Final answer
    x = 75,433.30

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1.5x scale

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.