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Finding the Fourth Proportional to 5,581.79, 7,708.05 and 3,595.76

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Solution

The fourth proportional to 5,581.79, 7,708.05 and 3,595.76 is: 4,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.79 : 7,708.05 = 3,595.76 : x
  2. Step 2: Convert to fraction form
    5,581.79/7,708.05 = 3,595.76/x
  3. Step 3: Cross multiply
    5,581.79x = 7,708.05 × 3,595.76
  4. Step 4: Simplify right side
    5,581.79x = 27,716,297.87
  5. Step 5: Solve for x
    x = 27,716,297.87/5,581.79
  6. Step 6: Final answer
    x = 4,965.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.