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Finding the Fourth Proportional to 52,850.05, 79,275.08 and 45,713.08

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Solution

The fourth proportional to 52,850.05, 79,275.08 and 45,713.08 is: 68,569.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,850.05 : 79,275.08 = 45,713.08 : x
  2. Step 2: Convert to fraction form
    52,850.05/79,275.08 = 45,713.08/x
  3. Step 3: Cross multiply
    52,850.05x = 79,275.08 × 45,713.08
  4. Step 4: Simplify right side
    52,850.05x = 3,623,908,116.00
  5. Step 5: Solve for x
    x = 3,623,908,116.00/52,850.05
  6. Step 6: Final answer
    x = 68,569.62

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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.