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Finding the Fourth Proportional to 12,562.79, 17,337.43 and 6,973.79

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Solution

The fourth proportional to 12,562.79, 17,337.43 and 6,973.79 is: 9,624.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.79 : 17,337.43 = 6,973.79 : x
  2. Step 2: Convert to fraction form
    12,562.79/17,337.43 = 6,973.79/x
  3. Step 3: Cross multiply
    12,562.79x = 17,337.43 × 6,973.79
  4. Step 4: Simplify right side
    12,562.79x = 120,907,648.02
  5. Step 5: Solve for x
    x = 120,907,648.02/12,562.79
  6. Step 6: Final answer
    x = 9,624.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.