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Finding the Fourth Proportional to 25,482.84, 35,183.46 and 19,503.84

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Solution

The fourth proportional to 25,482.84, 35,183.46 and 19,503.84 is: 26,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,482.84 : 35,183.46 = 19,503.84 : x
  2. Step 2: Convert to fraction form
    25,482.84/35,183.46 = 19,503.84/x
  3. Step 3: Cross multiply
    25,482.84x = 35,183.46 × 19,503.84
  4. Step 4: Simplify right side
    25,482.84x = 686,212,574.49
  5. Step 5: Solve for x
    x = 686,212,574.49/25,482.84
  6. Step 6: Final answer
    x = 26,928.42

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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.