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Finding the Fourth Proportional to 19,309.59, 28,973.70 and 10,544.24

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Solution

The fourth proportional to 19,309.59, 28,973.70 and 10,544.24 is: 15,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.59 : 28,973.70 = 10,544.24 : x
  2. Step 2: Convert to fraction form
    19,309.59/28,973.70 = 10,544.24/x
  3. Step 3: Cross multiply
    19,309.59x = 28,973.70 × 10,544.24
  4. Step 4: Simplify right side
    19,309.59x = 305,505,718.92
  5. Step 5: Solve for x
    x = 305,505,718.92/19,309.59
  6. Step 6: Final answer
    x = 15,821.45

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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.