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Finding the Fourth Proportional to 48,203.71, 72,308.99 and 14,919.48

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Solution

The fourth proportional to 48,203.71, 72,308.99 and 14,919.48 is: 22,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,203.71 : 72,308.99 = 14,919.48 : x
  2. Step 2: Convert to fraction form
    48,203.71/72,308.99 = 14,919.48/x
  3. Step 3: Cross multiply
    48,203.71x = 72,308.99 × 14,919.48
  4. Step 4: Simplify right side
    48,203.71x = 1,078,812,567.42
  5. Step 5: Solve for x
    x = 1,078,812,567.42/48,203.71
  6. Step 6: Final answer
    x = 22,380.28

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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.