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Finding the Fourth Proportional to 8,925.93, 13,389.93 and 2,686.32

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Solution

The fourth proportional to 8,925.93, 13,389.93 and 2,686.32 is: 4,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.93 : 13,389.93 = 2,686.32 : x
  2. Step 2: Convert to fraction form
    8,925.93/13,389.93 = 2,686.32/x
  3. Step 3: Cross multiply
    8,925.93x = 13,389.93 × 2,686.32
  4. Step 4: Simplify right side
    8,925.93x = 35,969,636.76
  5. Step 5: Solve for x
    x = 35,969,636.76/8,925.93
  6. Step 6: Final answer
    x = 4,029.79

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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.