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Finding the Fourth Proportional to 8,953.92, 12,349.58 and 7,946.68

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Solution

The fourth proportional to 8,953.92, 12,349.58 and 7,946.68 is: 10,960.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.92 : 12,349.58 = 7,946.68 : x
  2. Step 2: Convert to fraction form
    8,953.92/12,349.58 = 7,946.68/x
  3. Step 3: Cross multiply
    8,953.92x = 12,349.58 × 7,946.68
  4. Step 4: Simplify right side
    8,953.92x = 98,138,160.39
  5. Step 5: Solve for x
    x = 98,138,160.39/8,953.92
  6. Step 6: Final answer
    x = 10,960.36

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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.