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Finding the Fourth Proportional to 8,907.30, 13,354.20 and 4,527.90

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Solution

The fourth proportional to 8,907.30, 13,354.20 and 4,527.90 is: 6,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.30 : 13,354.20 = 4,527.90 : x
  2. Step 2: Convert to fraction form
    8,907.30/13,354.20 = 4,527.90/x
  3. Step 3: Cross multiply
    8,907.30x = 13,354.20 × 4,527.90
  4. Step 4: Simplify right side
    8,907.30x = 60,466,482.18
  5. Step 5: Solve for x
    x = 60,466,482.18/8,907.30
  6. Step 6: Final answer
    x = 6,788.42

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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.