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Finding the Fourth Proportional to 25,406.34, 35,060.75 and 14,228.34

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Solution

The fourth proportional to 25,406.34, 35,060.75 and 14,228.34 is: 19,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,406.34 : 35,060.75 = 14,228.34 : x
  2. Step 2: Convert to fraction form
    25,406.34/35,060.75 = 14,228.34/x
  3. Step 3: Cross multiply
    25,406.34x = 35,060.75 × 14,228.34
  4. Step 4: Simplify right side
    25,406.34x = 498,856,271.66
  5. Step 5: Solve for x
    x = 498,856,271.66/25,406.34
  6. Step 6: Final answer
    x = 19,635.11

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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.