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Finding the Fourth Proportional to 12,148.25, 16,764.61 and 7,044.75

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Solution

The fourth proportional to 12,148.25, 16,764.61 and 7,044.75 is: 9,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.25 : 16,764.61 = 7,044.75 : x
  2. Step 2: Convert to fraction form
    12,148.25/16,764.61 = 7,044.75/x
  3. Step 3: Cross multiply
    12,148.25x = 16,764.61 × 7,044.75
  4. Step 4: Simplify right side
    12,148.25x = 118,102,486.30
  5. Step 5: Solve for x
    x = 118,102,486.30/12,148.25
  6. Step 6: Final answer
    x = 9,721.77

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Double scale
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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.