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Finding the Fourth Proportional to 76,670.76, 114,921.09 and 32,284.38

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Solution

The fourth proportional to 76,670.76, 114,921.09 and 32,284.38 is: 48,390.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,670.76 : 114,921.09 = 32,284.38 : x
  2. Step 2: Convert to fraction form
    76,670.76/114,921.09 = 32,284.38/x
  3. Step 3: Cross multiply
    76,670.76x = 114,921.09 × 32,284.38
  4. Step 4: Simplify right side
    76,670.76x = 3,710,156,139.57
  5. Step 5: Solve for x
    x = 3,710,156,139.57/76,670.76
  6. Step 6: Final answer
    x = 48,390.76

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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.