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Finding the Fourth Proportional to 26,254.99, 39,373.98 and 8,720.11

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Solution

The fourth proportional to 26,254.99, 39,373.98 and 8,720.11 is: 13,077.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,254.99 : 39,373.98 = 8,720.11 : x
  2. Step 2: Convert to fraction form
    26,254.99/39,373.98 = 8,720.11/x
  3. Step 3: Cross multiply
    26,254.99x = 39,373.98 × 8,720.11
  4. Step 4: Simplify right side
    26,254.99x = 343,345,436.74
  5. Step 5: Solve for x
    x = 343,345,436.74/26,254.99
  6. Step 6: Final answer
    x = 13,077.34

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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.