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Finding the Fourth Proportional to 8,832.76, 12,188.51 and 5,056.00

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Solution

The fourth proportional to 8,832.76, 12,188.51 and 5,056.00 is: 6,976.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,832.76 : 12,188.51 = 5,056.00 : x
  2. Step 2: Convert to fraction form
    8,832.76/12,188.51 = 5,056.00/x
  3. Step 3: Cross multiply
    8,832.76x = 12,188.51 × 5,056.00
  4. Step 4: Simplify right side
    8,832.76x = 61,625,050.81
  5. Step 5: Solve for x
    x = 61,625,050.81/8,832.76
  6. Step 6: Final answer
    x = 6,976.88

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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.