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Finding the Fourth Proportional to 75,606.75, 113,410.13 and 26,358.75

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Solution

The fourth proportional to 75,606.75, 113,410.13 and 26,358.75 is: 39,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,606.75 : 113,410.13 = 26,358.75 : x
  2. Step 2: Convert to fraction form
    75,606.75/113,410.13 = 26,358.75/x
  3. Step 3: Cross multiply
    75,606.75x = 113,410.13 × 26,358.75
  4. Step 4: Simplify right side
    75,606.75x = 2,989,349,132.34
  5. Step 5: Solve for x
    x = 2,989,349,132.34/75,606.75
  6. Step 6: Final answer
    x = 39,538.13

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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.