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Finding the Fourth Proportional to 17,412.60, 26,090.10 and 14,820.60

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Solution

The fourth proportional to 17,412.60, 26,090.10 and 14,820.60 is: 22,206.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,412.60 : 26,090.10 = 14,820.60 : x
  2. Step 2: Convert to fraction form
    17,412.60/26,090.10 = 14,820.60/x
  3. Step 3: Cross multiply
    17,412.60x = 26,090.10 × 14,820.60
  4. Step 4: Simplify right side
    17,412.60x = 386,670,936.06
  5. Step 5: Solve for x
    x = 386,670,936.06/17,412.60
  6. Step 6: Final answer
    x = 22,206.39

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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.