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Finding the Fourth Proportional to 8,328.93, 11,492.81 and 5,348.80

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Solution

The fourth proportional to 8,328.93, 11,492.81 and 5,348.80 is: 7,380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.93 : 11,492.81 = 5,348.80 : x
  2. Step 2: Convert to fraction form
    8,328.93/11,492.81 = 5,348.80/x
  3. Step 3: Cross multiply
    8,328.93x = 11,492.81 × 5,348.80
  4. Step 4: Simplify right side
    8,328.93x = 61,472,706.71
  5. Step 5: Solve for x
    x = 61,472,706.71/8,328.93
  6. Step 6: Final answer
    x = 7,380.63

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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.