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Finding the Fourth Proportional to 8,701.70, 12,004.98 and 4,924

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Solution

The fourth proportional to 8,701.70, 12,004.98 and 4,924 is: 6,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.70 : 12,004.98 = 4,924 : x
  2. Step 2: Convert to fraction form
    8,701.70/12,004.98 = 4,924/x
  3. Step 3: Cross multiply
    8,701.70x = 12,004.98 × 4,924
  4. Step 4: Simplify right side
    8,701.70x = 59,112,521.52
  5. Step 5: Solve for x
    x = 59,112,521.52/8,701.70
  6. Step 6: Final answer
    x = 6,793.22

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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.