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Finding the Fourth Proportional to 62,805.60, 94,220.55 and 18,433.80

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Solution

The fourth proportional to 62,805.60, 94,220.55 and 18,433.80 is: 27,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,805.60 : 94,220.55 = 18,433.80 : x
  2. Step 2: Convert to fraction form
    62,805.60/94,220.55 = 18,433.80/x
  3. Step 3: Cross multiply
    62,805.60x = 94,220.55 × 18,433.80
  4. Step 4: Simplify right side
    62,805.60x = 1,736,842,774.59
  5. Step 5: Solve for x
    x = 1,736,842,774.59/62,805.60
  6. Step 6: Final answer
    x = 27,654.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.