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Finding the Fourth Proportional to 8,788.71, 13,168.47 and 6,186.18

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Solution

The fourth proportional to 8,788.71, 13,168.47 and 6,186.18 is: 9,269.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.71 : 13,168.47 = 6,186.18 : x
  2. Step 2: Convert to fraction form
    8,788.71/13,168.47 = 6,186.18/x
  3. Step 3: Cross multiply
    8,788.71x = 13,168.47 × 6,186.18
  4. Step 4: Simplify right side
    8,788.71x = 81,462,525.74
  5. Step 5: Solve for x
    x = 81,462,525.74/8,788.71
  6. Step 6: Final answer
    x = 9,269.00

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1.5x scale

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.