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Finding the Fourth Proportional to 70,398.77, 105,598.69 and 23,651.65

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Solution

The fourth proportional to 70,398.77, 105,598.69 and 23,651.65 is: 35,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,398.77 : 105,598.69 = 23,651.65 : x
  2. Step 2: Convert to fraction form
    70,398.77/105,598.69 = 23,651.65/x
  3. Step 3: Cross multiply
    70,398.77x = 105,598.69 × 23,651.65
  4. Step 4: Simplify right side
    70,398.77x = 2,497,582,735.22
  5. Step 5: Solve for x
    x = 2,497,582,735.22/70,398.77
  6. Step 6: Final answer
    x = 35,477.65

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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.