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Finding the Fourth Proportional to 57,880.91, 79,885.90 and 34,007.58

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Solution

The fourth proportional to 57,880.91, 79,885.90 and 34,007.58 is: 46,936.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,880.91 : 79,885.90 = 34,007.58 : x
  2. Step 2: Convert to fraction form
    57,880.91/79,885.90 = 34,007.58/x
  3. Step 3: Cross multiply
    57,880.91x = 79,885.90 × 34,007.58
  4. Step 4: Simplify right side
    57,880.91x = 2,716,725,565.65
  5. Step 5: Solve for x
    x = 2,716,725,565.65/57,880.91
  6. Step 6: Final answer
    x = 46,936.47

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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.