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Finding the Fourth Proportional to 35,019.20, 52,543.20 and 12,843.20

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Solution

The fourth proportional to 35,019.20, 52,543.20 and 12,843.20 is: 19,270.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,019.20 : 52,543.20 = 12,843.20 : x
  2. Step 2: Convert to fraction form
    35,019.20/52,543.20 = 12,843.20/x
  3. Step 3: Cross multiply
    35,019.20x = 52,543.20 × 12,843.20
  4. Step 4: Simplify right side
    35,019.20x = 674,822,826.24
  5. Step 5: Solve for x
    x = 674,822,826.24/35,019.20
  6. Step 6: Final answer
    x = 19,270.08

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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.