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Finding the Fourth Proportional to 60,654, 90,984.24 and 19,104.24

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Solution

The fourth proportional to 60,654, 90,984.24 and 19,104.24 is: 28,657.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,654 : 90,984.24 = 19,104.24 : x
  2. Step 2: Convert to fraction form
    60,654/90,984.24 = 19,104.24/x
  3. Step 3: Cross multiply
    60,654x = 90,984.24 × 19,104.24
  4. Step 4: Simplify right side
    60,654x = 1,738,184,757.18
  5. Step 5: Solve for x
    x = 1,738,184,757.18/60,654
  6. Step 6: Final answer
    x = 28,657.38

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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.