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Finding the Fourth Proportional to 34,805.40, 52,208.10 and 8,510.40

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Solution

The fourth proportional to 34,805.40, 52,208.10 and 8,510.40 is: 12,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,805.40 : 52,208.10 = 8,510.40 : x
  2. Step 2: Convert to fraction form
    34,805.40/52,208.10 = 8,510.40/x
  3. Step 3: Cross multiply
    34,805.40x = 52,208.10 × 8,510.40
  4. Step 4: Simplify right side
    34,805.40x = 444,311,814.24
  5. Step 5: Solve for x
    x = 444,311,814.24/34,805.40
  6. Step 6: Final answer
    x = 12,765.60

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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.