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Finding the Fourth Proportional to 26,343.54, 39,521.54 and 7,624.01

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Solution

The fourth proportional to 26,343.54, 39,521.54 and 7,624.01 is: 11,437.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,343.54 : 39,521.54 = 7,624.01 : x
  2. Step 2: Convert to fraction form
    26,343.54/39,521.54 = 7,624.01/x
  3. Step 3: Cross multiply
    26,343.54x = 39,521.54 × 7,624.01
  4. Step 4: Simplify right side
    26,343.54x = 301,312,380.45
  5. Step 5: Solve for x
    x = 301,312,380.45/26,343.54
  6. Step 6: Final answer
    x = 11,437.81

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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.