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Finding the Fourth Proportional to 26,363.04, 39,536.80 and 8,828.80

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Solution

The fourth proportional to 26,363.04, 39,536.80 and 8,828.80 is: 13,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,363.04 : 39,536.80 = 8,828.80 : x
  2. Step 2: Convert to fraction form
    26,363.04/39,536.80 = 8,828.80/x
  3. Step 3: Cross multiply
    26,363.04x = 39,536.80 × 8,828.80
  4. Step 4: Simplify right side
    26,363.04x = 349,062,499.84
  5. Step 5: Solve for x
    x = 349,062,499.84/26,363.04
  6. Step 6: Final answer
    x = 13,240.60

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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.