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Finding the Fourth Proportional to 8,604.93, 11,875.28 and 6,476.62

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Solution

The fourth proportional to 8,604.93, 11,875.28 and 6,476.62 is: 8,938.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.93 : 11,875.28 = 6,476.62 : x
  2. Step 2: Convert to fraction form
    8,604.93/11,875.28 = 6,476.62/x
  3. Step 3: Cross multiply
    8,604.93x = 11,875.28 × 6,476.62
  4. Step 4: Simplify right side
    8,604.93x = 76,911,675.95
  5. Step 5: Solve for x
    x = 76,911,675.95/8,604.93
  6. Step 6: Final answer
    x = 8,938.09

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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.