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Finding the Fourth Proportional to 17,313.86, 25,970.84 and 9,913.23

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Solution

The fourth proportional to 17,313.86, 25,970.84 and 9,913.23 is: 14,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,313.86 : 25,970.84 = 9,913.23 : x
  2. Step 2: Convert to fraction form
    17,313.86/25,970.84 = 9,913.23/x
  3. Step 3: Cross multiply
    17,313.86x = 25,970.84 × 9,913.23
  4. Step 4: Simplify right side
    17,313.86x = 257,454,860.65
  5. Step 5: Solve for x
    x = 257,454,860.65/17,313.86
  6. Step 6: Final answer
    x = 14,869.88

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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.