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Finding the Fourth Proportional to 39,065.68, 53,859.90 and 24,893.92

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Solution

The fourth proportional to 39,065.68, 53,859.90 and 24,893.92 is: 34,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,065.68 : 53,859.90 = 24,893.92 : x
  2. Step 2: Convert to fraction form
    39,065.68/53,859.90 = 24,893.92/x
  3. Step 3: Cross multiply
    39,065.68x = 53,859.90 × 24,893.92
  4. Step 4: Simplify right side
    39,065.68x = 1,340,784,041.81
  5. Step 5: Solve for x
    x = 1,340,784,041.81/39,065.68
  6. Step 6: Final answer
    x = 34,321.28

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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.