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Finding the Fourth Proportional to 25,671.62, 35,424.53 and 14,339.54

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Solution

The fourth proportional to 25,671.62, 35,424.53 and 14,339.54 is: 19,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,671.62 : 35,424.53 = 14,339.54 : x
  2. Step 2: Convert to fraction form
    25,671.62/35,424.53 = 14,339.54/x
  3. Step 3: Cross multiply
    25,671.62x = 35,424.53 × 14,339.54
  4. Step 4: Simplify right side
    25,671.62x = 507,971,464.92
  5. Step 5: Solve for x
    x = 507,971,464.92/25,671.62
  6. Step 6: Final answer
    x = 19,787.28

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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.