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Finding the Fourth Proportional to 75,317.92, 112,903.40 and 35,864.44

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Solution

The fourth proportional to 75,317.92, 112,903.40 and 35,864.44 is: 53,761.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,317.92 : 112,903.40 = 35,864.44 : x
  2. Step 2: Convert to fraction form
    75,317.92/112,903.40 = 35,864.44/x
  3. Step 3: Cross multiply
    75,317.92x = 112,903.40 × 35,864.44
  4. Step 4: Simplify right side
    75,317.92x = 4,049,217,215.10
  5. Step 5: Solve for x
    x = 4,049,217,215.10/75,317.92
  6. Step 6: Final answer
    x = 53,761.67

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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.