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Finding the Fourth Proportional to 59,629.60, 89,314.80 and 47,965.60

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Solution

The fourth proportional to 59,629.60, 89,314.80 and 47,965.60 is: 71,844.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,629.60 : 89,314.80 = 47,965.60 : x
  2. Step 2: Convert to fraction form
    59,629.60/89,314.80 = 47,965.60/x
  3. Step 3: Cross multiply
    59,629.60x = 89,314.80 × 47,965.60
  4. Step 4: Simplify right side
    59,629.60x = 4,284,037,970.88
  5. Step 5: Solve for x
    x = 4,284,037,970.88/59,629.60
  6. Step 6: Final answer
    x = 71,844.15

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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.