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Finding the Fourth Proportional to 18,752.64, 25,877.80 and 10,795.12

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Solution

The fourth proportional to 18,752.64, 25,877.80 and 10,795.12 is: 14,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,752.64 : 25,877.80 = 10,795.12 : x
  2. Step 2: Convert to fraction form
    18,752.64/25,877.80 = 10,795.12/x
  3. Step 3: Cross multiply
    18,752.64x = 25,877.80 × 10,795.12
  4. Step 4: Simplify right side
    18,752.64x = 279,353,956.34
  5. Step 5: Solve for x
    x = 279,353,956.34/18,752.64
  6. Step 6: Final answer
    x = 14,896.78

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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.