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Finding the Fourth Proportional to 8,573.09, 12,864.53 and 4,624.31

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Solution

The fourth proportional to 8,573.09, 12,864.53 and 4,624.31 is: 6,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573.09 : 12,864.53 = 4,624.31 : x
  2. Step 2: Convert to fraction form
    8,573.09/12,864.53 = 4,624.31/x
  3. Step 3: Cross multiply
    8,573.09x = 12,864.53 × 4,624.31
  4. Step 4: Simplify right side
    8,573.09x = 59,489,618.45
  5. Step 5: Solve for x
    x = 59,489,618.45/8,573.09
  6. Step 6: Final answer
    x = 6,939.11

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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.