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Finding the Fourth Proportional to 18,503.59, 25,535.60 and 10,544.53

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Solution

The fourth proportional to 18,503.59, 25,535.60 and 10,544.53 is: 14,551.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503.59 : 25,535.60 = 10,544.53 : x
  2. Step 2: Convert to fraction form
    18,503.59/25,535.60 = 10,544.53/x
  3. Step 3: Cross multiply
    18,503.59x = 25,535.60 × 10,544.53
  4. Step 4: Simplify right side
    18,503.59x = 269,260,900.27
  5. Step 5: Solve for x
    x = 269,260,900.27/18,503.59
  6. Step 6: Final answer
    x = 14,551.82

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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.