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Finding the Fourth Proportional to 36,802.40, 55,219.80 and 17,070.80

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Solution

The fourth proportional to 36,802.40, 55,219.80 and 17,070.80 is: 25,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,802.40 : 55,219.80 = 17,070.80 : x
  2. Step 2: Convert to fraction form
    36,802.40/55,219.80 = 17,070.80/x
  3. Step 3: Cross multiply
    36,802.40x = 55,219.80 × 17,070.80
  4. Step 4: Simplify right side
    36,802.40x = 942,646,161.84
  5. Step 5: Solve for x
    x = 942,646,161.84/36,802.40
  6. Step 6: Final answer
    x = 25,613.71

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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.