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Finding the Fourth Proportional to 38,842.76, 58,262.64 and 11,140.76

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Solution

The fourth proportional to 38,842.76, 58,262.64 and 11,140.76 is: 16,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,842.76 : 58,262.64 = 11,140.76 : x
  2. Step 2: Convert to fraction form
    38,842.76/58,262.64 = 11,140.76/x
  3. Step 3: Cross multiply
    38,842.76x = 58,262.64 × 11,140.76
  4. Step 4: Simplify right side
    38,842.76x = 649,090,089.21
  5. Step 5: Solve for x
    x = 649,090,089.21/38,842.76
  6. Step 6: Final answer
    x = 16,710.71

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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.