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Finding the Fourth Proportional to 29,585.88, 40,833.79 and 17,485.87

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Solution

The fourth proportional to 29,585.88, 40,833.79 and 17,485.87 is: 24,133.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,585.88 : 40,833.79 = 17,485.87 : x
  2. Step 2: Convert to fraction form
    29,585.88/40,833.79 = 17,485.87/x
  3. Step 3: Cross multiply
    29,585.88x = 40,833.79 × 17,485.87
  4. Step 4: Simplify right side
    29,585.88x = 714,014,343.55
  5. Step 5: Solve for x
    x = 714,014,343.55/29,585.88
  6. Step 6: Final answer
    x = 24,133.62

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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.