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Finding the Fourth Proportional to 8,701.54, 12,008.18 and 4,924.84

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Solution

The fourth proportional to 8,701.54, 12,008.18 and 4,924.84 is: 6,796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.54 : 12,008.18 = 4,924.84 : x
  2. Step 2: Convert to fraction form
    8,701.54/12,008.18 = 4,924.84/x
  3. Step 3: Cross multiply
    8,701.54x = 12,008.18 × 4,924.84
  4. Step 4: Simplify right side
    8,701.54x = 59,138,365.19
  5. Step 5: Solve for x
    x = 59,138,365.19/8,701.54
  6. Step 6: Final answer
    x = 6,796.31

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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.