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Finding the Fourth Proportional to 8,776.66, 13,168.59 and 3,583.06

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Solution

The fourth proportional to 8,776.66, 13,168.59 and 3,583.06 is: 5,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.66 : 13,168.59 = 3,583.06 : x
  2. Step 2: Convert to fraction form
    8,776.66/13,168.59 = 3,583.06/x
  3. Step 3: Cross multiply
    8,776.66x = 13,168.59 × 3,583.06
  4. Step 4: Simplify right side
    8,776.66x = 47,183,848.09
  5. Step 5: Solve for x
    x = 47,183,848.09/8,776.66
  6. Step 6: Final answer
    x = 5,376.06

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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.