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Finding the Fourth Proportional to 52,747.68, 79,123.02 and 17,208.84

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Solution

The fourth proportional to 52,747.68, 79,123.02 and 17,208.84 is: 25,813.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,747.68 : 79,123.02 = 17,208.84 : x
  2. Step 2: Convert to fraction form
    52,747.68/79,123.02 = 17,208.84/x
  3. Step 3: Cross multiply
    52,747.68x = 79,123.02 × 17,208.84
  4. Step 4: Simplify right side
    52,747.68x = 1,361,615,391.50
  5. Step 5: Solve for x
    x = 1,361,615,391.50/52,747.68
  6. Step 6: Final answer
    x = 25,813.75

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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.