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Finding the Fourth Proportional to 59,445.60, 89,022.60 and 39,616.80

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Solution

The fourth proportional to 59,445.60, 89,022.60 and 39,616.80 is: 59,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,445.60 : 89,022.60 = 39,616.80 : x
  2. Step 2: Convert to fraction form
    59,445.60/89,022.60 = 39,616.80/x
  3. Step 3: Cross multiply
    59,445.60x = 89,022.60 × 39,616.80
  4. Step 4: Simplify right side
    59,445.60x = 3,526,790,539.68
  5. Step 5: Solve for x
    x = 3,526,790,539.68/59,445.60
  6. Step 6: Final answer
    x = 59,328.03

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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.