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Finding the Fourth Proportional to 55,769.45, 83,648.05 and 16,326.95

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Solution

The fourth proportional to 55,769.45, 83,648.05 and 16,326.95 is: 24,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,769.45 : 83,648.05 = 16,326.95 : x
  2. Step 2: Convert to fraction form
    55,769.45/83,648.05 = 16,326.95/x
  3. Step 3: Cross multiply
    55,769.45x = 83,648.05 × 16,326.95
  4. Step 4: Simplify right side
    55,769.45x = 1,365,717,070.89
  5. Step 5: Solve for x
    x = 1,365,717,070.89/55,769.45
  6. Step 6: Final answer
    x = 24,488.63

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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.