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Finding the Fourth Proportional to 43,410.76, 65,116.22 and 15,702.28

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Solution

The fourth proportional to 43,410.76, 65,116.22 and 15,702.28 is: 23,553.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,410.76 : 65,116.22 = 15,702.28 : x
  2. Step 2: Convert to fraction form
    43,410.76/65,116.22 = 15,702.28/x
  3. Step 3: Cross multiply
    43,410.76x = 65,116.22 × 15,702.28
  4. Step 4: Simplify right side
    43,410.76x = 1,022,473,118.98
  5. Step 5: Solve for x
    x = 1,022,473,118.98/43,410.76
  6. Step 6: Final answer
    x = 23,553.45

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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.