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Finding the Fourth Proportional to 18,232.60, 25,603.40 and 18,232.60

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Solution

The fourth proportional to 18,232.60, 25,603.40 and 18,232.60 is: 25,603.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232.60 : 25,603.40 = 18,232.60 : x
  2. Step 2: Convert to fraction form
    18,232.60/25,603.40 = 18,232.60/x
  3. Step 3: Cross multiply
    18,232.60x = 25,603.40 × 18,232.60
  4. Step 4: Simplify right side
    18,232.60x = 466,816,550.84
  5. Step 5: Solve for x
    x = 466,816,550.84/18,232.60
  6. Step 6: Final answer
    x = 25,603.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.