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Finding the Fourth Proportional to 57,890.32, 79,891.58 and 34,024.68

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Solution

The fourth proportional to 57,890.32, 79,891.58 and 34,024.68 is: 46,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,890.32 : 79,891.58 = 34,024.68 : x
  2. Step 2: Convert to fraction form
    57,890.32/79,891.58 = 34,024.68/x
  3. Step 3: Cross multiply
    57,890.32x = 79,891.58 × 34,024.68
  4. Step 4: Simplify right side
    57,890.32x = 2,718,285,444.19
  5. Step 5: Solve for x
    x = 2,718,285,444.19/57,890.32
  6. Step 6: Final answer
    x = 46,955.79

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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.