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Finding the Fourth Proportional to 45,959.53, 68,997.63 and 39,077.77

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Solution

The fourth proportional to 45,959.53, 68,997.63 and 39,077.77 is: 58,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,959.53 : 68,997.63 = 39,077.77 : x
  2. Step 2: Convert to fraction form
    45,959.53/68,997.63 = 39,077.77/x
  3. Step 3: Cross multiply
    45,959.53x = 68,997.63 × 39,077.77
  4. Step 4: Simplify right side
    45,959.53x = 2,696,273,515.69
  5. Step 5: Solve for x
    x = 2,696,273,515.69/45,959.53
  6. Step 6: Final answer
    x = 58,666.26

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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.