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Finding the Fourth Proportional to 72,040.30, 108,059.02 and 32,569.80

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Solution

The fourth proportional to 72,040.30, 108,059.02 and 32,569.80 is: 48,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,040.30 : 108,059.02 = 32,569.80 : x
  2. Step 2: Convert to fraction form
    72,040.30/108,059.02 = 32,569.80/x
  3. Step 3: Cross multiply
    72,040.30x = 108,059.02 × 32,569.80
  4. Step 4: Simplify right side
    72,040.30x = 3,519,460,669.60
  5. Step 5: Solve for x
    x = 3,519,460,669.60/72,040.30
  6. Step 6: Final answer
    x = 48,854.05

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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.