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Finding the Fourth Proportional to 36,073.40, 54,110.10 and 12,702.20

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Solution

The fourth proportional to 36,073.40, 54,110.10 and 12,702.20 is: 19,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,073.40 : 54,110.10 = 12,702.20 : x
  2. Step 2: Convert to fraction form
    36,073.40/54,110.10 = 12,702.20/x
  3. Step 3: Cross multiply
    36,073.40x = 54,110.10 × 12,702.20
  4. Step 4: Simplify right side
    36,073.40x = 687,317,312.22
  5. Step 5: Solve for x
    x = 687,317,312.22/36,073.40
  6. Step 6: Final answer
    x = 19,053.30

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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.