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Finding the Fourth Proportional to 34,857.57, 48,099.53 and 19,746.99

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Solution

The fourth proportional to 34,857.57, 48,099.53 and 19,746.99 is: 27,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,857.57 : 48,099.53 = 19,746.99 : x
  2. Step 2: Convert to fraction form
    34,857.57/48,099.53 = 19,746.99/x
  3. Step 3: Cross multiply
    34,857.57x = 48,099.53 × 19,746.99
  4. Step 4: Simplify right side
    34,857.57x = 949,820,937.91
  5. Step 5: Solve for x
    x = 949,820,937.91/34,857.57
  6. Step 6: Final answer
    x = 27,248.63

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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.