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Finding the Fourth Proportional to 8,518.06, 11,754.81 and 4,792.06

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Solution

The fourth proportional to 8,518.06, 11,754.81 and 4,792.06 is: 6,612.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.06 : 11,754.81 = 4,792.06 : x
  2. Step 2: Convert to fraction form
    8,518.06/11,754.81 = 4,792.06/x
  3. Step 3: Cross multiply
    8,518.06x = 11,754.81 × 4,792.06
  4. Step 4: Simplify right side
    8,518.06x = 56,329,754.81
  5. Step 5: Solve for x
    x = 56,329,754.81/8,518.06
  6. Step 6: Final answer
    x = 6,612.98

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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.