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Finding the Fourth Proportional to 11,925.60, 17,917.30 and 10,525.92

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Solution

The fourth proportional to 11,925.60, 17,917.30 and 10,525.92 is: 15,814.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.60 : 17,917.30 = 10,525.92 : x
  2. Step 2: Convert to fraction form
    11,925.60/17,917.30 = 10,525.92/x
  3. Step 3: Cross multiply
    11,925.60x = 17,917.30 × 10,525.92
  4. Step 4: Simplify right side
    11,925.60x = 188,596,066.42
  5. Step 5: Solve for x
    x = 188,596,066.42/11,925.60
  6. Step 6: Final answer
    x = 15,814.39

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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.