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Finding the Fourth Proportional to 29,485.71, 40,690.67 and 16,737.93

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Solution

The fourth proportional to 29,485.71, 40,690.67 and 16,737.93 is: 23,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,485.71 : 40,690.67 = 16,737.93 : x
  2. Step 2: Convert to fraction form
    29,485.71/40,690.67 = 16,737.93/x
  3. Step 3: Cross multiply
    29,485.71x = 40,690.67 × 16,737.93
  4. Step 4: Simplify right side
    29,485.71x = 681,077,586.11
  5. Step 5: Solve for x
    x = 681,077,586.11/29,485.71
  6. Step 6: Final answer
    x = 23,098.56

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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.