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Finding the Fourth Proportional to 22,435.80, 30,952.38 and 13,483.80

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Solution

The fourth proportional to 22,435.80, 30,952.38 and 13,483.80 is: 18,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,435.80 : 30,952.38 = 13,483.80 : x
  2. Step 2: Convert to fraction form
    22,435.80/30,952.38 = 13,483.80/x
  3. Step 3: Cross multiply
    22,435.80x = 30,952.38 × 13,483.80
  4. Step 4: Simplify right side
    22,435.80x = 417,355,701.44
  5. Step 5: Solve for x
    x = 417,355,701.44/22,435.80
  6. Step 6: Final answer
    x = 18,602.22

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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.