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Finding the Fourth Proportional to 35,313.98, 48,733.26 and 19,398.30

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Solution

The fourth proportional to 35,313.98, 48,733.26 and 19,398.30 is: 26,769.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,313.98 : 48,733.26 = 19,398.30 : x
  2. Step 2: Convert to fraction form
    35,313.98/48,733.26 = 19,398.30/x
  3. Step 3: Cross multiply
    35,313.98x = 48,733.26 × 19,398.30
  4. Step 4: Simplify right side
    35,313.98x = 945,342,397.46
  5. Step 5: Solve for x
    x = 945,342,397.46/35,313.98
  6. Step 6: Final answer
    x = 26,769.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.