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Finding the Fourth Proportional to 6,287.60, 8,677.06 and 4,053.80

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Solution

The fourth proportional to 6,287.60, 8,677.06 and 4,053.80 is: 5,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.60 : 8,677.06 = 4,053.80 : x
  2. Step 2: Convert to fraction form
    6,287.60/8,677.06 = 4,053.80/x
  3. Step 3: Cross multiply
    6,287.60x = 8,677.06 × 4,053.80
  4. Step 4: Simplify right side
    6,287.60x = 35,175,065.83
  5. Step 5: Solve for x
    x = 35,175,065.83/6,287.60
  6. Step 6: Final answer
    x = 5,594.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.