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Finding the Fourth Proportional to 59,736.60, 89,613.06 and 20,283.12

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Solution

The fourth proportional to 59,736.60, 89,613.06 and 20,283.12 is: 30,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,736.60 : 89,613.06 = 20,283.12 : x
  2. Step 2: Convert to fraction form
    59,736.60/89,613.06 = 20,283.12/x
  3. Step 3: Cross multiply
    59,736.60x = 89,613.06 × 20,283.12
  4. Step 4: Simplify right side
    59,736.60x = 1,817,632,449.55
  5. Step 5: Solve for x
    x = 1,817,632,449.55/59,736.60
  6. Step 6: Final answer
    x = 30,427.45

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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.