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Finding the Fourth Proportional to 8,973.19, 13,461.94 and 2,817.19

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Solution

The fourth proportional to 8,973.19, 13,461.94 and 2,817.19 is: 4,226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.19 : 13,461.94 = 2,817.19 : x
  2. Step 2: Convert to fraction form
    8,973.19/13,461.94 = 2,817.19/x
  3. Step 3: Cross multiply
    8,973.19x = 13,461.94 × 2,817.19
  4. Step 4: Simplify right side
    8,973.19x = 37,924,842.75
  5. Step 5: Solve for x
    x = 37,924,842.75/8,973.19
  6. Step 6: Final answer
    x = 4,226.46

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1.5x scale

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.