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Finding the Fourth Proportional to 59,650.49, 89,480.30 and 19,653.90

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Solution

The fourth proportional to 59,650.49, 89,480.30 and 19,653.90 is: 29,482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,650.49 : 89,480.30 = 19,653.90 : x
  2. Step 2: Convert to fraction form
    59,650.49/89,480.30 = 19,653.90/x
  3. Step 3: Cross multiply
    59,650.49x = 89,480.30 × 19,653.90
  4. Step 4: Simplify right side
    59,650.49x = 1,758,636,769.90
  5. Step 5: Solve for x
    x = 1,758,636,769.90/59,650.49
  6. Step 6: Final answer
    x = 29,482.35

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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.