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Finding the Fourth Proportional to 8,883.68, 12,259.20 and 4,904.96

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Solution

The fourth proportional to 8,883.68, 12,259.20 and 4,904.96 is: 6,768.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.68 : 12,259.20 = 4,904.96 : x
  2. Step 2: Convert to fraction form
    8,883.68/12,259.20 = 4,904.96/x
  3. Step 3: Cross multiply
    8,883.68x = 12,259.20 × 4,904.96
  4. Step 4: Simplify right side
    8,883.68x = 60,130,885.63
  5. Step 5: Solve for x
    x = 60,130,885.63/8,883.68
  6. Step 6: Final answer
    x = 6,768.69

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Double scale
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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.