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Finding the Fourth Proportional to 5,595.60, 8,383.80 and 3,646.80

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Solution

The fourth proportional to 5,595.60, 8,383.80 and 3,646.80 is: 5,463.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,595.60 : 8,383.80 = 3,646.80 : x
  2. Step 2: Convert to fraction form
    5,595.60/8,383.80 = 3,646.80/x
  3. Step 3: Cross multiply
    5,595.60x = 8,383.80 × 3,646.80
  4. Step 4: Simplify right side
    5,595.60x = 30,574,041.84
  5. Step 5: Solve for x
    x = 30,574,041.84/5,595.60
  6. Step 6: Final answer
    x = 5,463.94

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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.