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Finding the Fourth Proportional to 57,887.70, 79,900.74 and 34,022.04

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Solution

The fourth proportional to 57,887.70, 79,900.74 and 34,022.04 is: 46,959.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,887.70 : 79,900.74 = 34,022.04 : x
  2. Step 2: Convert to fraction form
    57,887.70/79,900.74 = 34,022.04/x
  3. Step 3: Cross multiply
    57,887.70x = 79,900.74 × 34,022.04
  4. Step 4: Simplify right side
    57,887.70x = 2,718,386,172.31
  5. Step 5: Solve for x
    x = 2,718,386,172.31/57,887.70
  6. Step 6: Final answer
    x = 46,959.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.