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Finding the Fourth Proportional to 32,485.93, 48,689.65 and 15,820.99

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Solution

The fourth proportional to 32,485.93, 48,689.65 and 15,820.99 is: 23,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,485.93 : 48,689.65 = 15,820.99 : x
  2. Step 2: Convert to fraction form
    32,485.93/48,689.65 = 15,820.99/x
  3. Step 3: Cross multiply
    32,485.93x = 48,689.65 × 15,820.99
  4. Step 4: Simplify right side
    32,485.93x = 770,318,465.75
  5. Step 5: Solve for x
    x = 770,318,465.75/32,485.93
  6. Step 6: Final answer
    x = 23,712.37

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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.