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Finding the Fourth Proportional to 8,708.19, 13,058.94 and 4,263.11

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Solution

The fourth proportional to 8,708.19, 13,058.94 and 4,263.11 is: 6,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.19 : 13,058.94 = 4,263.11 : x
  2. Step 2: Convert to fraction form
    8,708.19/13,058.94 = 4,263.11/x
  3. Step 3: Cross multiply
    8,708.19x = 13,058.94 × 4,263.11
  4. Step 4: Simplify right side
    8,708.19x = 55,671,730.35
  5. Step 5: Solve for x
    x = 55,671,730.35/8,708.19
  6. Step 6: Final answer
    x = 6,393.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.