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Finding the Fourth Proportional to 17,875.01, 26,788.64 and 9,424.28

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Solution

The fourth proportional to 17,875.01, 26,788.64 and 9,424.28 is: 14,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,875.01 : 26,788.64 = 9,424.28 : x
  2. Step 2: Convert to fraction form
    17,875.01/26,788.64 = 9,424.28/x
  3. Step 3: Cross multiply
    17,875.01x = 26,788.64 × 9,424.28
  4. Step 4: Simplify right side
    17,875.01x = 252,463,664.03
  5. Step 5: Solve for x
    x = 252,463,664.03/17,875.01
  6. Step 6: Final answer
    x = 14,123.83

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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.