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Finding the Fourth Proportional to 59,641.11, 89,472.60 and 19,662.45

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Solution

The fourth proportional to 59,641.11, 89,472.60 and 19,662.45 is: 29,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,641.11 : 89,472.60 = 19,662.45 : x
  2. Step 2: Convert to fraction form
    59,641.11/89,472.60 = 19,662.45/x
  3. Step 3: Cross multiply
    59,641.11x = 89,472.60 × 19,662.45
  4. Step 4: Simplify right side
    59,641.11x = 1,759,250,188.35
  5. Step 5: Solve for x
    x = 1,759,250,188.35/59,641.11
  6. Step 6: Final answer
    x = 29,497.27

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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.