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Finding the Fourth Proportional to 34,661.88, 47,833.39 and 18,746.32

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Solution

The fourth proportional to 34,661.88, 47,833.39 and 18,746.32 is: 25,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,661.88 : 47,833.39 = 18,746.32 : x
  2. Step 2: Convert to fraction form
    34,661.88/47,833.39 = 18,746.32/x
  3. Step 3: Cross multiply
    34,661.88x = 47,833.39 × 18,746.32
  4. Step 4: Simplify right side
    34,661.88x = 896,700,118.85
  5. Step 5: Solve for x
    x = 896,700,118.85/34,661.88
  6. Step 6: Final answer
    x = 25,869.92

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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.