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Finding the Fourth Proportional to 45,314.35, 67,971.53 and 45,314.35

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Solution

The fourth proportional to 45,314.35, 67,971.53 and 45,314.35 is: 67,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,314.35 : 67,971.53 = 45,314.35 : x
  2. Step 2: Convert to fraction form
    45,314.35/67,971.53 = 45,314.35/x
  3. Step 3: Cross multiply
    45,314.35x = 67,971.53 × 45,314.35
  4. Step 4: Simplify right side
    45,314.35x = 3,080,085,473.88
  5. Step 5: Solve for x
    x = 3,080,085,473.88/45,314.35
  6. Step 6: Final answer
    x = 67,971.53

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Similar ratio
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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.