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Finding the Fourth Proportional to 18,595.71, 25,650.81 and 11,037.06

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Solution

The fourth proportional to 18,595.71, 25,650.81 and 11,037.06 is: 15,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,595.71 : 25,650.81 = 11,037.06 : x
  2. Step 2: Convert to fraction form
    18,595.71/25,650.81 = 11,037.06/x
  3. Step 3: Cross multiply
    18,595.71x = 25,650.81 × 11,037.06
  4. Step 4: Simplify right side
    18,595.71x = 283,109,529.02
  5. Step 5: Solve for x
    x = 283,109,529.02/18,595.71
  6. Step 6: Final answer
    x = 15,224.45

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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.