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Finding the Fourth Proportional to 76,685.70, 115,032.45 and 24,095.70

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Solution

The fourth proportional to 76,685.70, 115,032.45 and 24,095.70 is: 36,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,685.70 : 115,032.45 = 24,095.70 : x
  2. Step 2: Convert to fraction form
    76,685.70/115,032.45 = 24,095.70/x
  3. Step 3: Cross multiply
    76,685.70x = 115,032.45 × 24,095.70
  4. Step 4: Simplify right side
    76,685.70x = 2,771,787,405.47
  5. Step 5: Solve for x
    x = 2,771,787,405.47/76,685.70
  6. Step 6: Final answer
    x = 36,144.78

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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.