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Finding the Fourth Proportional to 33,259.68, 45,898.20 and 18,355.68

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Solution

The fourth proportional to 33,259.68, 45,898.20 and 18,355.68 is: 25,330.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,259.68 : 45,898.20 = 18,355.68 : x
  2. Step 2: Convert to fraction form
    33,259.68/45,898.20 = 18,355.68/x
  3. Step 3: Cross multiply
    33,259.68x = 45,898.20 × 18,355.68
  4. Step 4: Simplify right side
    33,259.68x = 842,492,671.78
  5. Step 5: Solve for x
    x = 842,492,671.78/33,259.68
  6. Step 6: Final answer
    x = 25,330.75

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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.