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Finding the Fourth Proportional to 8,841.56, 13,258.80 and 3,907.71

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Solution

The fourth proportional to 8,841.56, 13,258.80 and 3,907.71 is: 5,860.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.56 : 13,258.80 = 3,907.71 : x
  2. Step 2: Convert to fraction form
    8,841.56/13,258.80 = 3,907.71/x
  3. Step 3: Cross multiply
    8,841.56x = 13,258.80 × 3,907.71
  4. Step 4: Simplify right side
    8,841.56x = 51,811,545.35
  5. Step 5: Solve for x
    x = 51,811,545.35/8,841.56
  6. Step 6: Final answer
    x = 5,860.00

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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.