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Finding the Fourth Proportional to 18,510.57, 25,544.90 and 10,552.93

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Solution

The fourth proportional to 18,510.57, 25,544.90 and 10,552.93 is: 14,563.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.57 : 25,544.90 = 10,552.93 : x
  2. Step 2: Convert to fraction form
    18,510.57/25,544.90 = 10,552.93/x
  3. Step 3: Cross multiply
    18,510.57x = 25,544.90 × 10,552.93
  4. Step 4: Simplify right side
    18,510.57x = 269,573,504.08
  5. Step 5: Solve for x
    x = 269,573,504.08/18,510.57
  6. Step 6: Final answer
    x = 14,563.22

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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.