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Finding the Fourth Proportional to 76,685.65, 115,046.90 and 24,095.09

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Solution

The fourth proportional to 76,685.65, 115,046.90 and 24,095.09 is: 36,148.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,685.65 : 115,046.90 = 24,095.09 : x
  2. Step 2: Convert to fraction form
    76,685.65/115,046.90 = 24,095.09/x
  3. Step 3: Cross multiply
    76,685.65x = 115,046.90 × 24,095.09
  4. Step 4: Simplify right side
    76,685.65x = 2,772,065,289.25
  5. Step 5: Solve for x
    x = 2,772,065,289.25/76,685.65
  6. Step 6: Final answer
    x = 36,148.43

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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.