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Finding the Fourth Proportional to 62,307.56, 85,981.41 and 35,447.56

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Solution

The fourth proportional to 62,307.56, 85,981.41 and 35,447.56 is: 48,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,307.56 : 85,981.41 = 35,447.56 : x
  2. Step 2: Convert to fraction form
    62,307.56/85,981.41 = 35,447.56/x
  3. Step 3: Cross multiply
    62,307.56x = 85,981.41 × 35,447.56
  4. Step 4: Simplify right side
    62,307.56x = 3,047,830,974.91
  5. Step 5: Solve for x
    x = 3,047,830,974.91/62,307.56
  6. Step 6: Final answer
    x = 48,915.91

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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.