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Finding the Fourth Proportional to 25,953.12, 35,817.12 and 14,775.12

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Solution

The fourth proportional to 25,953.12, 35,817.12 and 14,775.12 is: 20,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,953.12 : 35,817.12 = 14,775.12 : x
  2. Step 2: Convert to fraction form
    25,953.12/35,817.12 = 14,775.12/x
  3. Step 3: Cross multiply
    25,953.12x = 35,817.12 × 14,775.12
  4. Step 4: Simplify right side
    25,953.12x = 529,202,246.05
  5. Step 5: Solve for x
    x = 529,202,246.05/25,953.12
  6. Step 6: Final answer
    x = 20,390.70

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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.