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Finding the Fourth Proportional to 35,607, 49,136.85 and 19,691.58

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Solution

The fourth proportional to 35,607, 49,136.85 and 19,691.58 is: 27,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,607 : 49,136.85 = 19,691.58 : x
  2. Step 2: Convert to fraction form
    35,607/49,136.85 = 19,691.58/x
  3. Step 3: Cross multiply
    35,607x = 49,136.85 × 19,691.58
  4. Step 4: Simplify right side
    35,607x = 967,582,212.72
  5. Step 5: Solve for x
    x = 967,582,212.72/35,607
  6. Step 6: Final answer
    x = 27,173.93

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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.