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Finding the Fourth Proportional to 65,416.74, 98,108.72 and 27,958.30

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Solution

The fourth proportional to 65,416.74, 98,108.72 and 27,958.30 is: 41,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,416.74 : 98,108.72 = 27,958.30 : x
  2. Step 2: Convert to fraction form
    65,416.74/98,108.72 = 27,958.30/x
  3. Step 3: Cross multiply
    65,416.74x = 98,108.72 × 27,958.30
  4. Step 4: Simplify right side
    65,416.74x = 2,742,953,026.38
  5. Step 5: Solve for x
    x = 2,742,953,026.38/65,416.74
  6. Step 6: Final answer
    x = 41,930.45

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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.