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Finding the Fourth Proportional to 52,394.99, 78,592.48 and 12,952.85

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Solution

The fourth proportional to 52,394.99, 78,592.48 and 12,952.85 is: 19,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,394.99 : 78,592.48 = 12,952.85 : x
  2. Step 2: Convert to fraction form
    52,394.99/78,592.48 = 12,952.85/x
  3. Step 3: Cross multiply
    52,394.99x = 78,592.48 × 12,952.85
  4. Step 4: Simplify right side
    52,394.99x = 1,017,996,179.22
  5. Step 5: Solve for x
    x = 1,017,996,179.22/52,394.99
  6. Step 6: Final answer
    x = 19,429.27

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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.