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Finding the Fourth Proportional to 8,986,818.75, 13,480,228.14 and 3,003,186.75

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Solution

The fourth proportional to 8,986,818.75, 13,480,228.14 and 3,003,186.75 is: 4,504,780.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,818.75 : 13,480,228.14 = 3,003,186.75 : x
  2. Step 2: Convert to fraction form
    8,986,818.75/13,480,228.14 = 3,003,186.75/x
  3. Step 3: Cross multiply
    8,986,818.75x = 13,480,228.14 × 3,003,186.75
  4. Step 4: Simplify right side
    8,986,818.75x = 40,483,642,537,025.15
  5. Step 5: Solve for x
    x = 40,483,642,537,025.15/8,986,818.75
  6. Step 6: Final answer
    x = 4,504,780.13

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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.