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Finding the Fourth Proportional to 18,510.48, 25,544.16 and 10,552.68

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Solution

The fourth proportional to 18,510.48, 25,544.16 and 10,552.68 is: 14,562.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.48 : 25,544.16 = 10,552.68 : x
  2. Step 2: Convert to fraction form
    18,510.48/25,544.16 = 10,552.68/x
  3. Step 3: Cross multiply
    18,510.48x = 25,544.16 × 10,552.68
  4. Step 4: Simplify right side
    18,510.48x = 269,559,346.35
  5. Step 5: Solve for x
    x = 269,559,346.35/18,510.48
  6. Step 6: Final answer
    x = 14,562.53

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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.