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Finding the Fourth Proportional to 76,995.52, 115,503 and 24,386.20

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Solution

The fourth proportional to 76,995.52, 115,503 and 24,386.20 is: 36,582.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,995.52 : 115,503 = 24,386.20 : x
  2. Step 2: Convert to fraction form
    76,995.52/115,503 = 24,386.20/x
  3. Step 3: Cross multiply
    76,995.52x = 115,503 × 24,386.20
  4. Step 4: Simplify right side
    76,995.52x = 2,816,679,258.60
  5. Step 5: Solve for x
    x = 2,816,679,258.60/76,995.52
  6. Step 6: Final answer
    x = 36,582.38

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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.