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Finding the Fourth Proportional to 65,233.69, 97,866.93 and 18,486.56

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Solution

The fourth proportional to 65,233.69, 97,866.93 and 18,486.56 is: 27,734.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,233.69 : 97,866.93 = 18,486.56 : x
  2. Step 2: Convert to fraction form
    65,233.69/97,866.93 = 18,486.56/x
  3. Step 3: Cross multiply
    65,233.69x = 97,866.93 × 18,486.56
  4. Step 4: Simplify right side
    65,233.69x = 1,809,223,187.45
  5. Step 5: Solve for x
    x = 1,809,223,187.45/65,233.69
  6. Step 6: Final answer
    x = 27,734.49

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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.