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Finding the Fourth Proportional to 8,854.58, 13,278.77 and 2,612.93

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Solution

The fourth proportional to 8,854.58, 13,278.77 and 2,612.93 is: 3,918.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.58 : 13,278.77 = 2,612.93 : x
  2. Step 2: Convert to fraction form
    8,854.58/13,278.77 = 2,612.93/x
  3. Step 3: Cross multiply
    8,854.58x = 13,278.77 × 2,612.93
  4. Step 4: Simplify right side
    8,854.58x = 34,696,496.50
  5. Step 5: Solve for x
    x = 34,696,496.50/8,854.58
  6. Step 6: Final answer
    x = 3,918.48

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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.