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Finding the Fourth Proportional to 52,801.70, 79,176.63 and 19,520.42

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Solution

The fourth proportional to 52,801.70, 79,176.63 and 19,520.42 is: 29,271.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,801.70 : 79,176.63 = 19,520.42 : x
  2. Step 2: Convert to fraction form
    52,801.70/79,176.63 = 19,520.42/x
  3. Step 3: Cross multiply
    52,801.70x = 79,176.63 × 19,520.42
  4. Step 4: Simplify right side
    52,801.70x = 1,545,561,071.78
  5. Step 5: Solve for x
    x = 1,545,561,071.78/52,801.70
  6. Step 6: Final answer
    x = 29,271.05

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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.