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Finding the Fourth Proportional to 19,473.50, 26,873.43 and 10,520.99

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Solution

The fourth proportional to 19,473.50, 26,873.43 and 10,520.99 is: 14,518.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,473.50 : 26,873.43 = 10,520.99 : x
  2. Step 2: Convert to fraction form
    19,473.50/26,873.43 = 10,520.99/x
  3. Step 3: Cross multiply
    19,473.50x = 26,873.43 × 10,520.99
  4. Step 4: Simplify right side
    19,473.50x = 282,734,953.93
  5. Step 5: Solve for x
    x = 282,734,953.93/19,473.50
  6. Step 6: Final answer
    x = 14,518.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.