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Finding the Fourth Proportional to 8,810.92, 13,216.99 and 2,570.99

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Solution

The fourth proportional to 8,810.92, 13,216.99 and 2,570.99 is: 3,856.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.92 : 13,216.99 = 2,570.99 : x
  2. Step 2: Convert to fraction form
    8,810.92/13,216.99 = 2,570.99/x
  3. Step 3: Cross multiply
    8,810.92x = 13,216.99 × 2,570.99
  4. Step 4: Simplify right side
    8,810.92x = 33,980,676.61
  5. Step 5: Solve for x
    x = 33,980,676.61/8,810.92
  6. Step 6: Final answer
    x = 3,856.66

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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.