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Finding the Fourth Proportional to 48,656.20, 72,984.30 and 22,412.20

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Solution

The fourth proportional to 48,656.20, 72,984.30 and 22,412.20 is: 33,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,656.20 : 72,984.30 = 22,412.20 : x
  2. Step 2: Convert to fraction form
    48,656.20/72,984.30 = 22,412.20/x
  3. Step 3: Cross multiply
    48,656.20x = 72,984.30 × 22,412.20
  4. Step 4: Simplify right side
    48,656.20x = 1,635,738,728.46
  5. Step 5: Solve for x
    x = 1,635,738,728.46/48,656.20
  6. Step 6: Final answer
    x = 33,618.30

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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.