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Finding the Fourth Proportional to 62,307.78, 85,974.60 and 36,810.60

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Solution

The fourth proportional to 62,307.78, 85,974.60 and 36,810.60 is: 50,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,307.78 : 85,974.60 = 36,810.60 : x
  2. Step 2: Convert to fraction form
    62,307.78/85,974.60 = 36,810.60/x
  3. Step 3: Cross multiply
    62,307.78x = 85,974.60 × 36,810.60
  4. Step 4: Simplify right side
    62,307.78x = 3,164,776,610.76
  5. Step 5: Solve for x
    x = 3,164,776,610.76/62,307.78
  6. Step 6: Final answer
    x = 50,792.64

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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.