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Finding the Fourth Proportional to 8,898.85, 13,349.63 and 2,973.90

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Solution

The fourth proportional to 8,898.85, 13,349.63 and 2,973.90 is: 4,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.85 : 13,349.63 = 2,973.90 : x
  2. Step 2: Convert to fraction form
    8,898.85/13,349.63 = 2,973.90/x
  3. Step 3: Cross multiply
    8,898.85x = 13,349.63 × 2,973.90
  4. Step 4: Simplify right side
    8,898.85x = 39,700,447.06
  5. Step 5: Solve for x
    x = 39,700,447.06/8,898.85
  6. Step 6: Final answer
    x = 4,461.30

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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.