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Finding the Fourth Proportional to 12,060.48, 16,647.08 and 7,347.09

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Solution

The fourth proportional to 12,060.48, 16,647.08 and 7,347.09 is: 10,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.48 : 16,647.08 = 7,347.09 : x
  2. Step 2: Convert to fraction form
    12,060.48/16,647.08 = 7,347.09/x
  3. Step 3: Cross multiply
    12,060.48x = 16,647.08 × 7,347.09
  4. Step 4: Simplify right side
    12,060.48x = 122,307,558.26
  5. Step 5: Solve for x
    x = 122,307,558.26/12,060.48
  6. Step 6: Final answer
    x = 10,141.18

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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.