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Finding the Fourth Proportional to 59,409.45, 89,110.94 and 19,962.45

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Solution

The fourth proportional to 59,409.45, 89,110.94 and 19,962.45 is: 29,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,409.45 : 89,110.94 = 19,962.45 : x
  2. Step 2: Convert to fraction form
    59,409.45/89,110.94 = 19,962.45/x
  3. Step 3: Cross multiply
    59,409.45x = 89,110.94 × 19,962.45
  4. Step 4: Simplify right side
    59,409.45x = 1,778,872,584.39
  5. Step 5: Solve for x
    x = 1,778,872,584.39/59,409.45
  6. Step 6: Final answer
    x = 29,942.59

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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.