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Finding the Fourth Proportional to 23,969.60, 35,948.64 and 12,276.80

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Solution

The fourth proportional to 23,969.60, 35,948.64 and 12,276.80 is: 18,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,969.60 : 35,948.64 = 12,276.80 : x
  2. Step 2: Convert to fraction form
    23,969.60/35,948.64 = 12,276.80/x
  3. Step 3: Cross multiply
    23,969.60x = 35,948.64 × 12,276.80
  4. Step 4: Simplify right side
    23,969.60x = 441,334,263.55
  5. Step 5: Solve for x
    x = 441,334,263.55/23,969.60
  6. Step 6: Final answer
    x = 18,412.25

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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.