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Finding the Fourth Proportional to 35,265.60, 52,879.20 and 14,465.60

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Solution

The fourth proportional to 35,265.60, 52,879.20 and 14,465.60 is: 21,690.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,265.60 : 52,879.20 = 14,465.60 : x
  2. Step 2: Convert to fraction form
    35,265.60/52,879.20 = 14,465.60/x
  3. Step 3: Cross multiply
    35,265.60x = 52,879.20 × 14,465.60
  4. Step 4: Simplify right side
    35,265.60x = 764,929,355.52
  5. Step 5: Solve for x
    x = 764,929,355.52/35,265.60
  6. Step 6: Final answer
    x = 21,690.52

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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.