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Finding the Fourth Proportional to 65,235.69, 97,869.93 and 18,488.56

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Solution

The fourth proportional to 65,235.69, 97,869.93 and 18,488.56 is: 27,737.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,235.69 : 97,869.93 = 18,488.56 : x
  2. Step 2: Convert to fraction form
    65,235.69/97,869.93 = 18,488.56/x
  3. Step 3: Cross multiply
    65,235.69x = 97,869.93 × 18,488.56
  4. Step 4: Simplify right side
    65,235.69x = 1,809,474,073.00
  5. Step 5: Solve for x
    x = 1,809,474,073.00/65,235.69
  6. Step 6: Final answer
    x = 27,737.49

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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.