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Finding the Fourth Proportional to 72,599.41, 108,903.21 and 25,852.29

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Solution

The fourth proportional to 72,599.41, 108,903.21 and 25,852.29 is: 38,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,599.41 : 108,903.21 = 25,852.29 : x
  2. Step 2: Convert to fraction form
    72,599.41/108,903.21 = 25,852.29/x
  3. Step 3: Cross multiply
    72,599.41x = 108,903.21 × 25,852.29
  4. Step 4: Simplify right side
    72,599.41x = 2,815,397,366.85
  5. Step 5: Solve for x
    x = 2,815,397,366.85/72,599.41
  6. Step 6: Final answer
    x = 38,779.89

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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.