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Finding the Fourth Proportional to 69,973.77, 96,560.32 and 39,755.10

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Solution

The fourth proportional to 69,973.77, 96,560.32 and 39,755.10 is: 54,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,973.77 : 96,560.32 = 39,755.10 : x
  2. Step 2: Convert to fraction form
    69,973.77/96,560.32 = 39,755.10/x
  3. Step 3: Cross multiply
    69,973.77x = 96,560.32 × 39,755.10
  4. Step 4: Simplify right side
    69,973.77x = 3,838,765,514.89
  5. Step 5: Solve for x
    x = 3,838,765,514.89/69,973.77
  6. Step 6: Final answer
    x = 54,860.06

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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.