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Finding the Fourth Proportional to 8,701.68, 12,005.46 and 4,924.48

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Solution

The fourth proportional to 8,701.68, 12,005.46 and 4,924.48 is: 6,794.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.68 : 12,005.46 = 4,924.48 : x
  2. Step 2: Convert to fraction form
    8,701.68/12,005.46 = 4,924.48/x
  3. Step 3: Cross multiply
    8,701.68x = 12,005.46 × 4,924.48
  4. Step 4: Simplify right side
    8,701.68x = 59,120,647.66
  5. Step 5: Solve for x
    x = 59,120,647.66/8,701.68
  6. Step 6: Final answer
    x = 6,794.16

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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.