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Finding the Fourth Proportional to 26,005.56, 38,985.06 and 9,361.68

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Solution

The fourth proportional to 26,005.56, 38,985.06 and 9,361.68 is: 14,034.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,005.56 : 38,985.06 = 9,361.68 : x
  2. Step 2: Convert to fraction form
    26,005.56/38,985.06 = 9,361.68/x
  3. Step 3: Cross multiply
    26,005.56x = 38,985.06 × 9,361.68
  4. Step 4: Simplify right side
    26,005.56x = 364,965,656.50
  5. Step 5: Solve for x
    x = 364,965,656.50/26,005.56
  6. Step 6: Final answer
    x = 14,034.14

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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.