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Finding the Fourth Proportional to 8,946.16, 13,358.96 and 7,305.88

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Solution

The fourth proportional to 8,946.16, 13,358.96 and 7,305.88 is: 10,909.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.16 : 13,358.96 = 7,305.88 : x
  2. Step 2: Convert to fraction form
    8,946.16/13,358.96 = 7,305.88/x
  3. Step 3: Cross multiply
    8,946.16x = 13,358.96 × 7,305.88
  4. Step 4: Simplify right side
    8,946.16x = 97,598,958.68
  5. Step 5: Solve for x
    x = 97,598,958.68/8,946.16
  6. Step 6: Final answer
    x = 10,909.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.