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Finding the Fourth Proportional to 26,054.53, 39,085.44 and 8,520.87

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Solution

The fourth proportional to 26,054.53, 39,085.44 and 8,520.87 is: 12,782.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,054.53 : 39,085.44 = 8,520.87 : x
  2. Step 2: Convert to fraction form
    26,054.53/39,085.44 = 8,520.87/x
  3. Step 3: Cross multiply
    26,054.53x = 39,085.44 × 8,520.87
  4. Step 4: Simplify right side
    26,054.53x = 333,041,953.13
  5. Step 5: Solve for x
    x = 333,041,953.13/26,054.53
  6. Step 6: Final answer
    x = 12,782.50

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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.