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Finding the Fourth Proportional to 55,783.69, 83,675.53 and 14,230.69

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Solution

The fourth proportional to 55,783.69, 83,675.53 and 14,230.69 is: 21,346.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,783.69 : 83,675.53 = 14,230.69 : x
  2. Step 2: Convert to fraction form
    55,783.69/83,675.53 = 14,230.69/x
  3. Step 3: Cross multiply
    55,783.69x = 83,675.53 × 14,230.69
  4. Step 4: Simplify right side
    55,783.69x = 1,190,760,336.62
  5. Step 5: Solve for x
    x = 1,190,760,336.62/55,783.69
  6. Step 6: Final answer
    x = 21,346.03

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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.