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Finding the Fourth Proportional to 70,080.57, 96,710.49 and 38,249.19

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Solution

The fourth proportional to 70,080.57, 96,710.49 and 38,249.19 is: 52,783.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,080.57 : 96,710.49 = 38,249.19 : x
  2. Step 2: Convert to fraction form
    70,080.57/96,710.49 = 38,249.19/x
  3. Step 3: Cross multiply
    70,080.57x = 96,710.49 × 38,249.19
  4. Step 4: Simplify right side
    70,080.57x = 3,699,097,907.00
  5. Step 5: Solve for x
    x = 3,699,097,907.00/70,080.57
  6. Step 6: Final answer
    x = 52,783.50

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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.