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Finding the Fourth Proportional to 55,605.68, 83,416.72 and 16,157.68

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Solution

The fourth proportional to 55,605.68, 83,416.72 and 16,157.68 is: 24,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,605.68 : 83,416.72 = 16,157.68 : x
  2. Step 2: Convert to fraction form
    55,605.68/83,416.72 = 16,157.68/x
  3. Step 3: Cross multiply
    55,605.68x = 83,416.72 × 16,157.68
  4. Step 4: Simplify right side
    55,605.68x = 1,347,820,668.41
  5. Step 5: Solve for x
    x = 1,347,820,668.41/55,605.68
  6. Step 6: Final answer
    x = 24,238.90

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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.