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Finding the Fourth Proportional to 35,398.56, 53,063.76 and 13,205.76

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Solution

The fourth proportional to 35,398.56, 53,063.76 and 13,205.76 is: 19,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,398.56 : 53,063.76 = 13,205.76 : x
  2. Step 2: Convert to fraction form
    35,398.56/53,063.76 = 13,205.76/x
  3. Step 3: Cross multiply
    35,398.56x = 53,063.76 × 13,205.76
  4. Step 4: Simplify right side
    35,398.56x = 700,747,279.26
  5. Step 5: Solve for x
    x = 700,747,279.26/35,398.56
  6. Step 6: Final answer
    x = 19,795.93

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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.