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Finding the Fourth Proportional to 48,457.60, 72,664.80 and 22,148.80

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Solution

The fourth proportional to 48,457.60, 72,664.80 and 22,148.80 is: 33,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,457.60 : 72,664.80 = 22,148.80 : x
  2. Step 2: Convert to fraction form
    48,457.60/72,664.80 = 22,148.80/x
  3. Step 3: Cross multiply
    48,457.60x = 72,664.80 × 22,148.80
  4. Step 4: Simplify right side
    48,457.60x = 1,609,438,122.24
  5. Step 5: Solve for x
    x = 1,609,438,122.24/48,457.60
  6. Step 6: Final answer
    x = 33,213.33

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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.