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Finding the Fourth Proportional to 20,566.84, 30,854.81 and 6,527.66

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Solution

The fourth proportional to 20,566.84, 30,854.81 and 6,527.66 is: 9,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.84 : 30,854.81 = 6,527.66 : x
  2. Step 2: Convert to fraction form
    20,566.84/30,854.81 = 6,527.66/x
  3. Step 3: Cross multiply
    20,566.84x = 30,854.81 × 6,527.66
  4. Step 4: Simplify right side
    20,566.84x = 201,409,822.25
  5. Step 5: Solve for x
    x = 201,409,822.25/20,566.84
  6. Step 6: Final answer
    x = 9,792.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.