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Finding the Fourth Proportional to 9,347.49, 12,900.93 and 5,994.09

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Solution

The fourth proportional to 9,347.49, 12,900.93 and 5,994.09 is: 8,272.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,347.49 : 12,900.93 = 5,994.09 : x
  2. Step 2: Convert to fraction form
    9,347.49/12,900.93 = 5,994.09/x
  3. Step 3: Cross multiply
    9,347.49x = 12,900.93 × 5,994.09
  4. Step 4: Simplify right side
    9,347.49x = 77,329,335.50
  5. Step 5: Solve for x
    x = 77,329,335.50/9,347.49
  6. Step 6: Final answer
    x = 8,272.74

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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.