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Finding the Fourth Proportional to 45,980.96, 69,019.70 and 40,749.44

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Solution

The fourth proportional to 45,980.96, 69,019.70 and 40,749.44 is: 61,166.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,980.96 : 69,019.70 = 40,749.44 : x
  2. Step 2: Convert to fraction form
    45,980.96/69,019.70 = 40,749.44/x
  3. Step 3: Cross multiply
    45,980.96x = 69,019.70 × 40,749.44
  4. Step 4: Simplify right side
    45,980.96x = 2,812,513,575.12
  5. Step 5: Solve for x
    x = 2,812,513,575.12/45,980.96
  6. Step 6: Final answer
    x = 61,166.92

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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.