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Finding the Fourth Proportional to 30,595.20, 45,887.50 and 8,403.29

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Solution

The fourth proportional to 30,595.20, 45,887.50 and 8,403.29 is: 12,603.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,595.20 : 45,887.50 = 8,403.29 : x
  2. Step 2: Convert to fraction form
    30,595.20/45,887.50 = 8,403.29/x
  3. Step 3: Cross multiply
    30,595.20x = 45,887.50 × 8,403.29
  4. Step 4: Simplify right side
    30,595.20x = 385,606,133.87
  5. Step 5: Solve for x
    x = 385,606,133.87/30,595.20
  6. Step 6: Final answer
    x = 12,603.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.