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Finding the Fourth Proportional to 8,935.46, 13,388.61 and 8,594.18

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Solution

The fourth proportional to 8,935.46, 13,388.61 and 8,594.18 is: 12,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.46 : 13,388.61 = 8,594.18 : x
  2. Step 2: Convert to fraction form
    8,935.46/13,388.61 = 8,594.18/x
  3. Step 3: Cross multiply
    8,935.46x = 13,388.61 × 8,594.18
  4. Step 4: Simplify right side
    8,935.46x = 115,064,124.29
  5. Step 5: Solve for x
    x = 115,064,124.29/8,935.46
  6. Step 6: Final answer
    x = 12,877.25

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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.