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Finding the Fourth Proportional to 30,986.69, 46,482.30 and 8,801.84

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Solution

The fourth proportional to 30,986.69, 46,482.30 and 8,801.84 is: 13,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,986.69 : 46,482.30 = 8,801.84 : x
  2. Step 2: Convert to fraction form
    30,986.69/46,482.30 = 8,801.84/x
  3. Step 3: Cross multiply
    30,986.69x = 46,482.30 × 8,801.84
  4. Step 4: Simplify right side
    30,986.69x = 409,129,535.02
  5. Step 5: Solve for x
    x = 409,129,535.02/30,986.69
  6. Step 6: Final answer
    x = 13,203.40

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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.