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Finding the Fourth Proportional to 12,758.98, 17,607.04 and 7,093.58

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Solution

The fourth proportional to 12,758.98, 17,607.04 and 7,093.58 is: 9,788.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758.98 : 17,607.04 = 7,093.58 : x
  2. Step 2: Convert to fraction form
    12,758.98/17,607.04 = 7,093.58/x
  3. Step 3: Cross multiply
    12,758.98x = 17,607.04 × 7,093.58
  4. Step 4: Simplify right side
    12,758.98x = 124,896,946.80
  5. Step 5: Solve for x
    x = 124,896,946.80/12,758.98
  6. Step 6: Final answer
    x = 9,788.94

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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.