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Finding the Fourth Proportional to 55,946.69, 83,920.03 and 19,010.69

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Solution

The fourth proportional to 55,946.69, 83,920.03 and 19,010.69 is: 28,516.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,946.69 : 83,920.03 = 19,010.69 : x
  2. Step 2: Convert to fraction form
    55,946.69/83,920.03 = 19,010.69/x
  3. Step 3: Cross multiply
    55,946.69x = 83,920.03 × 19,010.69
  4. Step 4: Simplify right side
    55,946.69x = 1,595,377,675.12
  5. Step 5: Solve for x
    x = 1,595,377,675.12/55,946.69
  6. Step 6: Final answer
    x = 28,516.03

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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.