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Finding the Fourth Proportional to 55,908.60, 83,838.60 and 16,457.55

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Solution

The fourth proportional to 55,908.60, 83,838.60 and 16,457.55 is: 24,679.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,908.60 : 83,838.60 = 16,457.55 : x
  2. Step 2: Convert to fraction form
    55,908.60/83,838.60 = 16,457.55/x
  3. Step 3: Cross multiply
    55,908.60x = 83,838.60 × 16,457.55
  4. Step 4: Simplify right side
    55,908.60x = 1,379,777,951.43
  5. Step 5: Solve for x
    x = 1,379,777,951.43/55,908.60
  6. Step 6: Final answer
    x = 24,679.17

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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.