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Finding the Fourth Proportional to 60,902.55, 91,350.59 and 19,346.31

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Solution

The fourth proportional to 60,902.55, 91,350.59 and 19,346.31 is: 29,018.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,902.55 : 91,350.59 = 19,346.31 : x
  2. Step 2: Convert to fraction form
    60,902.55/91,350.59 = 19,346.31/x
  3. Step 3: Cross multiply
    60,902.55x = 91,350.59 × 19,346.31
  4. Step 4: Simplify right side
    60,902.55x = 1,767,296,736.09
  5. Step 5: Solve for x
    x = 1,767,296,736.09/60,902.55
  6. Step 6: Final answer
    x = 29,018.44

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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.