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Finding the Fourth Proportional to 35,019.60, 52,519.80 and 14,245.20

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Solution

The fourth proportional to 35,019.60, 52,519.80 and 14,245.20 is: 21,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,019.60 : 52,519.80 = 14,245.20 : x
  2. Step 2: Convert to fraction form
    35,019.60/52,519.80 = 14,245.20/x
  3. Step 3: Cross multiply
    35,019.60x = 52,519.80 × 14,245.20
  4. Step 4: Simplify right side
    35,019.60x = 748,155,054.96
  5. Step 5: Solve for x
    x = 748,155,054.96/35,019.60
  6. Step 6: Final answer
    x = 21,363.89

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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.