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Finding the Fourth Proportional to 40,507.99, 60,794.49 and 18,323.29

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Solution

The fourth proportional to 40,507.99, 60,794.49 and 18,323.29 is: 27,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,507.99 : 60,794.49 = 18,323.29 : x
  2. Step 2: Convert to fraction form
    40,507.99/60,794.49 = 18,323.29/x
  3. Step 3: Cross multiply
    40,507.99x = 60,794.49 × 18,323.29
  4. Step 4: Simplify right side
    40,507.99x = 1,113,955,070.67
  5. Step 5: Solve for x
    x = 1,113,955,070.67/40,507.99
  6. Step 6: Final answer
    x = 27,499.64

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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.