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Finding the Fourth Proportional to 8,841.40, 13,264.70 and 3,573.70

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Solution

The fourth proportional to 8,841.40, 13,264.70 and 3,573.70 is: 5,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.40 : 13,264.70 = 3,573.70 : x
  2. Step 2: Convert to fraction form
    8,841.40/13,264.70 = 3,573.70/x
  3. Step 3: Cross multiply
    8,841.40x = 13,264.70 × 3,573.70
  4. Step 4: Simplify right side
    8,841.40x = 47,404,058.39
  5. Step 5: Solve for x
    x = 47,404,058.39/8,841.40
  6. Step 6: Final answer
    x = 5,361.60

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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.