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Finding the Fourth Proportional to 5,595.60, 7,712.82 and 4,472.94

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Solution

The fourth proportional to 5,595.60, 7,712.82 and 4,472.94 is: 6,165.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,595.60 : 7,712.82 = 4,472.94 : x
  2. Step 2: Convert to fraction form
    5,595.60/7,712.82 = 4,472.94/x
  3. Step 3: Cross multiply
    5,595.60x = 7,712.82 × 4,472.94
  4. Step 4: Simplify right side
    5,595.60x = 34,498,981.09
  5. Step 5: Solve for x
    x = 34,498,981.09/5,595.60
  6. Step 6: Final answer
    x = 6,165.38

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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.