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Finding the Fourth Proportional to 52,559.80, 78,839.70 and 33,897.40

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Solution

The fourth proportional to 52,559.80, 78,839.70 and 33,897.40 is: 50,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,559.80 : 78,839.70 = 33,897.40 : x
  2. Step 2: Convert to fraction form
    52,559.80/78,839.70 = 33,897.40/x
  3. Step 3: Cross multiply
    52,559.80x = 78,839.70 × 33,897.40
  4. Step 4: Simplify right side
    52,559.80x = 2,672,460,846.78
  5. Step 5: Solve for x
    x = 2,672,460,846.78/52,559.80
  6. Step 6: Final answer
    x = 50,846.10

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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.