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Finding the Fourth Proportional to 48,053.58, 72,106.23 and 19,992.99

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Solution

The fourth proportional to 48,053.58, 72,106.23 and 19,992.99 is: 30,000.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,053.58 : 72,106.23 = 19,992.99 : x
  2. Step 2: Convert to fraction form
    48,053.58/72,106.23 = 19,992.99/x
  3. Step 3: Cross multiply
    48,053.58x = 72,106.23 × 19,992.99
  4. Step 4: Simplify right side
    48,053.58x = 1,441,619,135.33
  5. Step 5: Solve for x
    x = 1,441,619,135.33/48,053.58
  6. Step 6: Final answer
    x = 30,000.24

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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.