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Finding the Fourth Proportional to 8,329.76, 11,495.08 and 4,792.90

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Solution

The fourth proportional to 8,329.76, 11,495.08 and 4,792.90 is: 6,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.76 : 11,495.08 = 4,792.90 : x
  2. Step 2: Convert to fraction form
    8,329.76/11,495.08 = 4,792.90/x
  3. Step 3: Cross multiply
    8,329.76x = 11,495.08 × 4,792.90
  4. Step 4: Simplify right side
    8,329.76x = 55,094,768.93
  5. Step 5: Solve for x
    x = 55,094,768.93/8,329.76
  6. Step 6: Final answer
    x = 6,614.21

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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.