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Finding the Fourth Proportional to 55,663.80, 83,487.60 and 16,216.80

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Solution

The fourth proportional to 55,663.80, 83,487.60 and 16,216.80 is: 24,322.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,663.80 : 83,487.60 = 16,216.80 : x
  2. Step 2: Convert to fraction form
    55,663.80/83,487.60 = 16,216.80/x
  3. Step 3: Cross multiply
    55,663.80x = 83,487.60 × 16,216.80
  4. Step 4: Simplify right side
    55,663.80x = 1,353,901,711.68
  5. Step 5: Solve for x
    x = 1,353,901,711.68/55,663.80
  6. Step 6: Final answer
    x = 24,322.84

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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.