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Finding the Fourth Proportional to 20,335.95, 30,498.93 and 5,544.95

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Solution

The fourth proportional to 20,335.95, 30,498.93 and 5,544.95 is: 8,316.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,335.95 : 30,498.93 = 5,544.95 : x
  2. Step 2: Convert to fraction form
    20,335.95/30,498.93 = 5,544.95/x
  3. Step 3: Cross multiply
    20,335.95x = 30,498.93 × 5,544.95
  4. Step 4: Simplify right side
    20,335.95x = 169,114,889.41
  5. Step 5: Solve for x
    x = 169,114,889.41/20,335.95
  6. Step 6: Final answer
    x = 8,316.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.