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Finding the Fourth Proportional to 31,099.68, 46,672.74 and 17,934.48

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Solution

The fourth proportional to 31,099.68, 46,672.74 and 17,934.48 is: 26,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,099.68 : 46,672.74 = 17,934.48 : x
  2. Step 2: Convert to fraction form
    31,099.68/46,672.74 = 17,934.48/x
  3. Step 3: Cross multiply
    31,099.68x = 46,672.74 × 17,934.48
  4. Step 4: Simplify right side
    31,099.68x = 837,051,322.08
  5. Step 5: Solve for x
    x = 837,051,322.08/31,099.68
  6. Step 6: Final answer
    x = 26,915.11

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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.