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Finding the Fourth Proportional to 32,485.49, 44,829.49 and 18,145.52

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Solution

The fourth proportional to 32,485.49, 44,829.49 and 18,145.52 is: 25,040.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,485.49 : 44,829.49 = 18,145.52 : x
  2. Step 2: Convert to fraction form
    32,485.49/44,829.49 = 18,145.52/x
  3. Step 3: Cross multiply
    32,485.49x = 44,829.49 × 18,145.52
  4. Step 4: Simplify right side
    32,485.49x = 813,454,391.04
  5. Step 5: Solve for x
    x = 813,454,391.04/32,485.49
  6. Step 6: Final answer
    x = 25,040.55

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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.