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Finding the Fourth Proportional to 70,278.67, 105,464.69 and 32,841.64

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Solution

The fourth proportional to 70,278.67, 105,464.69 and 32,841.64 is: 49,284.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,278.67 : 105,464.69 = 32,841.64 : x
  2. Step 2: Convert to fraction form
    70,278.67/105,464.69 = 32,841.64/x
  3. Step 3: Cross multiply
    70,278.67x = 105,464.69 × 32,841.64
  4. Step 4: Simplify right side
    70,278.67x = 3,463,633,381.69
  5. Step 5: Solve for x
    x = 3,463,633,381.69/70,278.67
  6. Step 6: Final answer
    x = 49,284.28

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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.