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Finding the Fourth Proportional to 8,811.61, 13,210.35 and 6,031.33

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Solution

The fourth proportional to 8,811.61, 13,210.35 and 6,031.33 is: 9,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.61 : 13,210.35 = 6,031.33 : x
  2. Step 2: Convert to fraction form
    8,811.61/13,210.35 = 6,031.33/x
  3. Step 3: Cross multiply
    8,811.61x = 13,210.35 × 6,031.33
  4. Step 4: Simplify right side
    8,811.61x = 79,675,980.27
  5. Step 5: Solve for x
    x = 79,675,980.27/8,811.61
  6. Step 6: Final answer
    x = 9,042.16

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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.