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Finding the Fourth Proportional to 35,307.63, 48,725.46 and 19,992.96

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Solution

The fourth proportional to 35,307.63, 48,725.46 and 19,992.96 is: 27,590.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,307.63 : 48,725.46 = 19,992.96 : x
  2. Step 2: Convert to fraction form
    35,307.63/48,725.46 = 19,992.96/x
  3. Step 3: Cross multiply
    35,307.63x = 48,725.46 × 19,992.96
  4. Step 4: Simplify right side
    35,307.63x = 974,166,172.76
  5. Step 5: Solve for x
    x = 974,166,172.76/35,307.63
  6. Step 6: Final answer
    x = 27,590.81

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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.