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Finding the Fourth Proportional to 8,095.60, 11,148.60 and 6,684.40

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Solution

The fourth proportional to 8,095.60, 11,148.60 and 6,684.40 is: 9,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,095.60 : 11,148.60 = 6,684.40 : x
  2. Step 2: Convert to fraction form
    8,095.60/11,148.60 = 6,684.40/x
  3. Step 3: Cross multiply
    8,095.60x = 11,148.60 × 6,684.40
  4. Step 4: Simplify right side
    8,095.60x = 74,521,701.84
  5. Step 5: Solve for x
    x = 74,521,701.84/8,095.60
  6. Step 6: Final answer
    x = 9,205.21

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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.